static void cfi_intelext_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from,
size_t len);
+static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long adr, int mode);
static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode);
static void put_chip(struct map_info *map, struct flchip *chip, unsigned long adr);
#include "fwh_lock.h"
/*
* *********** CHIP ACCESS FUNCTIONS ***********
*/
-
-static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode)
+static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long adr, int mode)
{
DECLARE_WAITQUEUE(wait, current);
struct cfi_private *cfi = map->fldrv_priv;
map_word status, status_OK = CMD(0x80), status_PWS = CMD(0x01);
- unsigned long timeo;
struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
-
- resettime:
- timeo = jiffies + HZ;
- retry:
- if (chip->priv && (mode == FL_WRITING || mode == FL_ERASING || mode == FL_OTP_WRITE || mode == FL_SHUTDOWN)) {
- /*
- * OK. We have possibility for contension on the write/erase
- * operations which are global to the real chip and not per
- * partition. So let's fight it over in the partition which
- * currently has authority on the operation.
- *
- * The rules are as follows:
- *
- * - any write operation must own shared->writing.
- *
- * - any erase operation must own _both_ shared->writing and
- * shared->erasing.
- *
- * - contension arbitration is handled in the owner's context.
- *
- * The 'shared' struct can be read and/or written only when
- * its lock is taken.
- */
- struct flchip_shared *shared = chip->priv;
- struct flchip *contender;
- spin_lock(&shared->lock);
- contender = shared->writing;
- if (contender && contender != chip) {
- /*
- * The engine to perform desired operation on this
- * partition is already in use by someone else.
- * Let's fight over it in the context of the chip
- * currently using it. If it is possible to suspend,
- * that other partition will do just that, otherwise
- * it'll happily send us to sleep. In any case, when
- * get_chip returns success we're clear to go ahead.
- */
- int ret = spin_trylock(contender->mutex);
- spin_unlock(&shared->lock);
- if (!ret)
- goto retry;
- spin_unlock(chip->mutex);
- ret = get_chip(map, contender, contender->start, mode);
- spin_lock(chip->mutex);
- if (ret) {
- spin_unlock(contender->mutex);
- return ret;
- }
- timeo = jiffies + HZ;
- spin_lock(&shared->lock);
- spin_unlock(contender->mutex);
- }
-
- /* We now own it */
- shared->writing = chip;
- if (mode == FL_ERASING)
- shared->erasing = chip;
- spin_unlock(&shared->lock);
- }
+ unsigned long timeo = jiffies + HZ;
switch (chip->state) {
if (chip->priv && map_word_andequal(map, status, status_PWS, status_PWS))
break;
- if (time_after(jiffies, timeo)) {
- printk(KERN_ERR "%s: Waiting for chip to be ready timed out. Status %lx\n",
- map->name, status.x[0]);
- return -EIO;
- }
spin_unlock(chip->mutex);
cfi_udelay(1);
spin_lock(chip->mutex);
/* Someone else might have been playing with it. */
- goto retry;
+ return -EAGAIN;
}
case FL_READY:
schedule();
remove_wait_queue(&chip->wq, &wait);
spin_lock(chip->mutex);
- goto resettime;
+ return -EAGAIN;
}
}
+static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode)
+{
+ int ret;
+
+ retry:
+ if (chip->priv && (mode == FL_WRITING || mode == FL_ERASING
+ || mode == FL_OTP_WRITE || mode == FL_SHUTDOWN)) {
+ /*
+ * OK. We have possibility for contention on the write/erase
+ * operations which are global to the real chip and not per
+ * partition. So let's fight it over in the partition which
+ * currently has authority on the operation.
+ *
+ * The rules are as follows:
+ *
+ * - any write operation must own shared->writing.
+ *
+ * - any erase operation must own _both_ shared->writing and
+ * shared->erasing.
+ *
+ * - contention arbitration is handled in the owner's context.
+ *
+ * The 'shared' struct can be read and/or written only when
+ * its lock is taken.
+ */
+ struct flchip_shared *shared = chip->priv;
+ struct flchip *contender;
+ spin_lock(&shared->lock);
+ contender = shared->writing;
+ if (contender && contender != chip) {
+ /*
+ * The engine to perform desired operation on this
+ * partition is already in use by someone else.
+ * Let's fight over it in the context of the chip
+ * currently using it. If it is possible to suspend,
+ * that other partition will do just that, otherwise
+ * it'll happily send us to sleep. In any case, when
+ * get_chip returns success we're clear to go ahead.
+ */
+ ret = spin_trylock(contender->mutex);
+ spin_unlock(&shared->lock);
+ if (!ret)
+ goto retry;
+ spin_unlock(chip->mutex);
+ ret = chip_ready(map, contender, contender->start, mode);
+ spin_lock(chip->mutex);
+
+ if (ret == -EAGAIN) {
+ spin_unlock(contender->mutex);
+ goto retry;
+ }
+ if (ret) {
+ spin_unlock(contender->mutex);
+ return ret;
+ }
+ spin_lock(&shared->lock);
+ spin_unlock(contender->mutex);
+ }
+
+ /* We now own it */
+ shared->writing = chip;
+ if (mode == FL_ERASING)
+ shared->erasing = chip;
+ spin_unlock(&shared->lock);
+ }
+ ret = chip_ready(map, chip, adr, mode);
+ if (ret == -EAGAIN)
+ goto retry;
+
+ return ret;
+}
+
static void put_chip(struct map_info *map, struct flchip *chip, unsigned long adr)
{
struct cfi_private *cfi = map->fldrv_priv;
via platform_data.
config MTD_ALAUDA
- tristate "MTD driver for Olympus MAUSB-10 and Fijufilm DPC-R1"
+ tristate "MTD driver for Olympus MAUSB-10 and Fujifilm DPC-R1"
depends on MTD_NAND && USB
help
These two (and possibly other) Alauda-based cardreaders for
}
}
/* If the parity is wrong, no rescue possible */
- return parity ? -1 : nerr;
+ return parity ? -EBADMSG : nerr;
}
static void DoC_Delay(struct doc_priv *doc, unsigned short cycles)
WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf);
else
WriteDOC(DOC_ECC_DIS, docptr, ECCConf);
- if (no_ecc_failures && (ret == -1)) {
+ if (no_ecc_failures && (ret == -EBADMSG)) {
printk(KERN_ERR "suppressing ECC failure\n");
ret = 0;
}
int stat;
stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
- if (stat == -1)
+ if (stat < 0)
mtd->ecc_stats.failed++;
else
mtd->ecc_stats.corrected += stat;
int stat;
stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
- if (stat == -1)
+ if (stat < 0)
mtd->ecc_stats.failed++;
else
mtd->ecc_stats.corrected += stat;
chip->read_buf(mtd, oob, eccbytes);
stat = chip->ecc.correct(mtd, p, oob, NULL);
- if (stat == -1)
+ if (stat < 0)
mtd->ecc_stats.failed++;
else
mtd->ecc_stats.corrected += stat;
if(countbits(s0 | ((uint32_t)s1 << 8) | ((uint32_t)s2 <<16)) == 1)
return 1;
- return -1;
+ return -EBADMSG;
}
EXPORT_SYMBOL(nand_correct_data);
}
if (ns->options & OPT_SMALLPAGE) {
- if (ns->geom.totsz < (64 << 20)) {
+ if (ns->geom.totsz < (32 << 20)) {
ns->geom.pgaddrbytes = 3;
ns->geom.secaddrbytes = 2;
} else {
readsb(this->IO_ADDR_R, buf, len);
}
+static void s3c2440_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+{
+ struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
+ readsl(info->regs + S3C2440_NFDATA, buf, len / 4);
+}
+
static void s3c2410_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
{
struct nand_chip *this = mtd->priv;
writesb(this->IO_ADDR_W, buf, len);
}
+static void s3c2440_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+{
+ struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
+ writesl(info->regs + S3C2440_NFDATA, buf, len / 4);
+}
+
/* device management functions */
static int s3c2410_nand_remove(struct platform_device *pdev)
info->sel_bit = S3C2440_NFCONT_nFCE;
chip->cmd_ctrl = s3c2440_nand_hwcontrol;
chip->dev_ready = s3c2440_nand_devready;
+ chip->read_buf = s3c2440_nand_read_buf;
+ chip->write_buf = s3c2440_nand_write_buf;
break;
case TYPE_S3C2412:
/**
* onenand_lock_handle - Handle Lock scheme
- * @param this OneNAND device structure
- * @param cmd The command to be sent
+ * @this: OneNAND device structure
+ * @cmd: The command to be sent
*
* Send lock command to OneNAND device.
- * The lock scheme is depends on chip type.
+ * The lock scheme depends on chip type.
*/
static void onenand_lock_handle(struct onenand_chip *this, int cmd)
{
/**
* onenand_bootram_handle - Handle BootRAM area
- * @param this OneNAND device structure
- * @param cmd The command to be sent
+ * @this: OneNAND device structure
+ * @cmd: The command to be sent
*
* Emulate BootRAM area. It is possible to do basic operation using BootRAM.
*/
/**
* onenand_update_interrupt - Set interrupt register
- * @param this OneNAND device structure
- * @param cmd The command to be sent
+ * @this: OneNAND device structure
+ * @cmd: The command to be sent
*
- * Update interrupt register. The status is depends on command.
+ * Update interrupt register. The status depends on command.
*/
static void onenand_update_interrupt(struct onenand_chip *this, int cmd)
{
}
/**
- * onenand_check_overwrite - Check over-write if happend
- * @param dest The destination pointer
- * @param src The source pointer
- * @param count The length to be check
- * @return 0 on same, otherwise 1
+ * onenand_check_overwrite - Check if over-write happened
+ * @dest: The destination pointer
+ * @src: The source pointer
+ * @count: The length to be check
+ *
+ * Returns: 0 on same, otherwise 1
*
* Compare the source with destination
*/
/**
* onenand_data_handle - Handle OneNAND Core and DataRAM
- * @param this OneNAND device structure
- * @param cmd The command to be sent
- * @param dataram Which dataram used
- * @param offset The offset to OneNAND Core
+ * @this: OneNAND device structure
+ * @cmd: The command to be sent
+ * @dataram: Which dataram used
+ * @offset: The offset to OneNAND Core
*
* Copy data from OneNAND Core to DataRAM (read)
* Copy data from DataRAM to OneNAND Core (write)
/**
* onenand_command_handle - Handle command
- * @param this OneNAND device structure
- * @param cmd The command to be sent
+ * @this: OneNAND device structure
+ * @cmd: The command to be sent
*
* Emulate OneNAND command.
*/
/**
* onenand_writew - [OneNAND Interface] Emulate write operation
- * @param value value to write
- * @param addr address to write
+ * @value: value to write
+ * @addr: address to write
*
* Write OneNAND register with value
*/
/**
* flash_init - Initialize OneNAND simulator
- * @param flash OneNAND simulaotr data strucutres
+ * @flash: OneNAND simulator data strucutres
*
* Initialize OneNAND simulator.
*/
/**
* flash_exit - Clean up OneNAND simulator
- * @param flash OneNAND simulaotr data strucutres
+ * @flash: OneNAND simulator data structures
*
* Clean up OneNAND simulator.
*/
{
vfree(ONENAND_CORE(flash));
kfree(flash->base);
- kfree(flash);
}
static int __init onenand_sim_init(void)
info->onenand.write_word = onenand_writew;
if (flash_init(&info->flash)) {
- printk(KERN_ERR "Unable to allocat flash.\n");
+ printk(KERN_ERR "Unable to allocate flash.\n");
kfree(ffchars);
kfree(info);
return -ENOMEM;
return acl;
}
+static int __jffs2_set_acl(struct inode *inode, int xprefix, struct posix_acl *acl)
+{
+ char *value = NULL;
+ size_t size = 0;
+ int rc;
+
+ if (acl) {
+ value = jffs2_acl_to_medium(acl, &size);
+ if (IS_ERR(value))
+ return PTR_ERR(value);
+ }
+ rc = do_jffs2_setxattr(inode, xprefix, "", value, size, 0);
+ if (!value && rc == -ENODATA)
+ rc = 0;
+ kfree(value);
+
+ return rc;
+}
+
static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
{
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
- size_t size = 0;
- char *value = NULL;
int rc, xprefix;
if (S_ISLNK(inode->i_mode))
default:
return -EINVAL;
}
- if (acl) {
- value = jffs2_acl_to_medium(acl, &size);
- if (IS_ERR(value))
- return PTR_ERR(value);
- }
-
- rc = do_jffs2_setxattr(inode, xprefix, "", value, size, 0);
- if (!value && rc == -ENODATA)
- rc = 0;
- if (value)
- kfree(value);
+ rc = __jffs2_set_acl(inode, xprefix, acl);
if (!rc) {
switch(type) {
case ACL_TYPE_ACCESS:
return generic_permission(inode, mask, jffs2_check_acl);
}
-int jffs2_init_acl(struct inode *inode, struct posix_acl *acl)
+int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, int *i_mode)
{
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
- struct posix_acl *clone;
- mode_t mode;
- int rc = 0;
+ struct posix_acl *acl, *clone;
+ int rc;
- f->i_acl_access = JFFS2_ACL_NOT_CACHED;
- f->i_acl_default = JFFS2_ACL_NOT_CACHED;
+ f->i_acl_default = NULL;
+ f->i_acl_access = NULL;
+
+ if (S_ISLNK(*i_mode))
+ return 0; /* Symlink always has no-ACL */
+
+ acl = jffs2_get_acl(dir_i, ACL_TYPE_DEFAULT);
+ if (IS_ERR(acl))
+ return PTR_ERR(acl);
+
+ if (!acl) {
+ *i_mode &= ~current->fs->umask;
+ } else {
+ if (S_ISDIR(*i_mode))
+ jffs2_iset_acl(inode, &f->i_acl_default, acl);
- if (acl) {
- if (S_ISDIR(inode->i_mode)) {
- rc = jffs2_set_acl(inode, ACL_TYPE_DEFAULT, acl);
- if (rc)
- goto cleanup;
- }
clone = posix_acl_clone(acl, GFP_KERNEL);
- rc = -ENOMEM;
if (!clone)
- goto cleanup;
- mode = inode->i_mode;
- rc = posix_acl_create_masq(clone, &mode);
- if (rc >= 0) {
- inode->i_mode = mode;
- if (rc > 0)
- rc = jffs2_set_acl(inode, ACL_TYPE_ACCESS, clone);
- }
+ return -ENOMEM;
+ rc = posix_acl_create_masq(clone, (mode_t *)i_mode);
+ if (rc < 0)
+ return rc;
+ if (rc > 0)
+ jffs2_iset_acl(inode, &f->i_acl_access, clone);
+
posix_acl_release(clone);
}
- cleanup:
- posix_acl_release(acl);
+ return 0;
+}
+
+int jffs2_init_acl_post(struct inode *inode)
+{
+ struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
+ int rc;
+
+ if (f->i_acl_default) {
+ rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_DEFAULT, f->i_acl_default);
+ if (rc)
+ return rc;
+ }
+
+ if (f->i_acl_access) {
+ rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_ACCESS, f->i_acl_access);
+ if (rc)
+ return rc;
+ }
+
return rc;
}
extern struct posix_acl *jffs2_get_acl(struct inode *inode, int type);
extern int jffs2_permission(struct inode *, int, struct nameidata *);
extern int jffs2_acl_chmod(struct inode *);
-extern int jffs2_init_acl(struct inode *, struct posix_acl *);
+extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
+extern int jffs2_init_acl_post(struct inode *);
extern void jffs2_clear_acl(struct jffs2_inode_info *);
extern struct xattr_handler jffs2_acl_access_xattr_handler;
#else
-#define jffs2_get_acl(inode, type) (NULL)
-#define jffs2_permission NULL
-#define jffs2_acl_chmod(inode) (0)
-#define jffs2_init_acl(inode,dir) (0)
+#define jffs2_get_acl(inode, type) (NULL)
+#define jffs2_permission (NULL)
+#define jffs2_acl_chmod(inode) (0)
+#define jffs2_init_acl_pre(dir_i,inode,mode) (0)
+#define jffs2_init_acl_post(inode) (0)
#define jffs2_clear_acl(f)
#endif /* CONFIG_JFFS2_FS_POSIX_ACL */
struct jffs2_inode_info *f, *dir_f;
struct jffs2_sb_info *c;
struct inode *inode;
- struct posix_acl *acl;
int ret;
ri = jffs2_alloc_raw_inode();
D1(printk(KERN_DEBUG "jffs2_create()\n"));
- inode = jffs2_new_inode(dir_i, mode, ri, &acl);
+ inode = jffs2_new_inode(dir_i, mode, ri);
if (IS_ERR(inode)) {
D1(printk(KERN_DEBUG "jffs2_new_inode() failed\n"));
ret = jffs2_do_create(c, dir_f, f, ri,
dentry->d_name.name, dentry->d_name.len);
-
- if (ret)
- goto fail_acl;
-
- ret = jffs2_init_security(inode, dir_i);
- if (ret)
- goto fail_acl;
- ret = jffs2_init_acl(inode, acl);
if (ret)
goto fail;
inode->i_ino, inode->i_mode, inode->i_nlink, f->inocache->nlink, inode->i_mapping->nrpages));
return 0;
- fail_acl:
- posix_acl_release(acl);
fail:
make_bad_inode(inode);
iput(inode);
struct jffs2_full_dirent *fd;
int namelen;
uint32_t alloclen;
- struct posix_acl *acl;
int ret, targetlen = strlen(target);
/* FIXME: If you care. We'd need to use frags for the target
return ret;
}
- inode = jffs2_new_inode(dir_i, S_IFLNK | S_IRWXUGO, ri, &acl);
+ inode = jffs2_new_inode(dir_i, S_IFLNK | S_IRWXUGO, ri);
if (IS_ERR(inode)) {
jffs2_free_raw_inode(ri);
up(&f->sem);
jffs2_complete_reservation(c);
jffs2_clear_inode(inode);
- posix_acl_release(acl);
return PTR_ERR(fn);
}
up(&f->sem);
jffs2_complete_reservation(c);
jffs2_clear_inode(inode);
- posix_acl_release(acl);
return -ENOMEM;
}
ret = jffs2_init_security(inode, dir_i);
if (ret) {
jffs2_clear_inode(inode);
- posix_acl_release(acl);
return ret;
}
- ret = jffs2_init_acl(inode, acl);
+ ret = jffs2_init_acl_post(inode);
if (ret) {
jffs2_clear_inode(inode);
return ret;
struct jffs2_full_dirent *fd;
int namelen;
uint32_t alloclen;
- struct posix_acl *acl;
int ret;
mode |= S_IFDIR;
return ret;
}
- inode = jffs2_new_inode(dir_i, mode, ri, &acl);
+ inode = jffs2_new_inode(dir_i, mode, ri);
if (IS_ERR(inode)) {
jffs2_free_raw_inode(ri);
up(&f->sem);
jffs2_complete_reservation(c);
jffs2_clear_inode(inode);
- posix_acl_release(acl);
return PTR_ERR(fn);
}
/* No data here. Only a metadata node, which will be
ret = jffs2_init_security(inode, dir_i);
if (ret) {
jffs2_clear_inode(inode);
- posix_acl_release(acl);
return ret;
}
- ret = jffs2_init_acl(inode, acl);
+ ret = jffs2_init_acl_post(inode);
if (ret) {
jffs2_clear_inode(inode);
return ret;
union jffs2_device_node dev;
int devlen = 0;
uint32_t alloclen;
- struct posix_acl *acl;
int ret;
if (!new_valid_dev(rdev))
return ret;
}
- inode = jffs2_new_inode(dir_i, mode, ri, &acl);
+ inode = jffs2_new_inode(dir_i, mode, ri);
if (IS_ERR(inode)) {
jffs2_free_raw_inode(ri);
up(&f->sem);
jffs2_complete_reservation(c);
jffs2_clear_inode(inode);
- posix_acl_release(acl);
return PTR_ERR(fn);
}
/* No data here. Only a metadata node, which will be
ret = jffs2_init_security(inode, dir_i);
if (ret) {
jffs2_clear_inode(inode);
- posix_acl_release(acl);
return ret;
}
- ret = jffs2_init_acl(inode, acl);
+ ret = jffs2_init_acl_post(inode);
if (ret) {
jffs2_clear_inode(inode);
return ret;
_whole_ page. This helps to reduce the number of
nodes in files which have many short writes, like
syslog files. */
- start = aligned_start = 0;
+ aligned_start = 0;
}
ri = jffs2_alloc_raw_inode();
}
/* Adjust writtenlen for the padding we did, so we don't confuse our caller */
- if (writtenlen < (start&3))
- writtenlen = 0;
- else
- writtenlen -= (start&3);
+ writtenlen -= min(writtenlen, (start - aligned_start));
if (writtenlen) {
- if (inode->i_size < (pg->index << PAGE_CACHE_SHIFT) + start + writtenlen) {
- inode->i_size = (pg->index << PAGE_CACHE_SHIFT) + start + writtenlen;
+ if (inode->i_size < pos + writtenlen) {
+ inode->i_size = pos + writtenlen;
inode->i_blocks = (inode->i_size + 511) >> 9;
inode->i_ctime = inode->i_mtime = ITIME(je32_to_cpu(ri->ctime));
/* jffs2_new_inode: allocate a new inode and inocache, add it to the hash,
fill in the raw_inode while you're at it. */
-struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_inode *ri,
- struct posix_acl **acl)
+struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_inode *ri)
{
struct inode *inode;
struct super_block *sb = dir_i->i_sb;
/* POSIX ACLs have to be processed now, at least partly.
The umask is only applied if there's no default ACL */
- if (!S_ISLNK(mode)) {
- *acl = jffs2_get_acl(dir_i, ACL_TYPE_DEFAULT);
- if (IS_ERR(*acl)) {
- make_bad_inode(inode);
- iput(inode);
- inode = (void *)*acl;
- *acl = NULL;
- return inode;
- }
- if (!(*acl))
- mode &= ~current->fs->umask;
- } else {
- *acl = NULL;
+ ret = jffs2_init_acl_pre(dir_i, inode, &mode);
+ if (ret) {
+ make_bad_inode(inode);
+ iput(inode);
+ return ERR_PTR(ret);
}
ret = jffs2_do_new_inode (c, f, mode, ri);
if (ret) {
extern const struct inode_operations jffs2_symlink_inode_operations;
/* fs.c */
-struct posix_acl;
-
int jffs2_setattr (struct dentry *, struct iattr *);
int jffs2_do_setattr (struct inode *, struct iattr *);
void jffs2_read_inode (struct inode *);
void jffs2_clear_inode (struct inode *);
void jffs2_dirty_inode(struct inode *inode);
struct inode *jffs2_new_inode (struct inode *dir_i, int mode,
- struct jffs2_raw_inode *ri, struct posix_acl **acl);
+ struct jffs2_raw_inode *ri);
int jffs2_statfs (struct dentry *, struct kstatfs *);
void jffs2_write_super (struct super_block *);
int jffs2_remount_fs (struct super_block *, int *, char *);
up(&f->sem);
jffs2_complete_reservation(c);
+
+ ret = jffs2_init_security(&f->vfs_inode, &dir_f->vfs_inode);
+ if (ret)
+ return ret;
+ ret = jffs2_init_acl_post(&f->vfs_inode);
+ if (ret)
+ return ret;
+
ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &alloclen,
ALLOC_NORMAL, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
/* Check length parameter for validity */
pad = nn - nroots - len;
- if (pad < 0 || pad >= nn)
- return -ERANGE;
+ BUG_ON(pad < 0 || pad >= nn);
/* Does the caller provide the syndrome ? */
if (s != NULL)
* deg(lambda) unequal to number of roots => uncorrectable
* error detected
*/
- count = -1;
+ count = -EBADMSG;
goto finish;
}
/*
* The syndrome and parity uses a uint16_t data type to enable
* symbol size > 8. The calling code must take care of decoding of the
* syndrome result and the received parity before calling this code.
+ * Returns the number of corrected bits or -EBADMSG for uncorrectable errors.
*/
int decode_rs8(struct rs_control *rs, uint8_t *data, uint16_t *par, int len,
uint16_t *s, int no_eras, int *eras_pos, uint16_t invmsk,
* @corr: buffer to store correction bitmask on eras_pos
*
* Each field in the data array contains up to symbol size bits of valid data.
+ * Returns the number of corrected bits or -EBADMSG for uncorrectable errors.
*/
int decode_rs16(struct rs_control *rs, uint16_t *data, uint16_t *par, int len,
uint16_t *s, int no_eras, int *eras_pos, uint16_t invmsk,
git.samba.org / sfrench / cifs-2.6.git / commitdiff