Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
authorLinus Torvalds <torvalds@linux-foundation.org>
Thu, 13 Mar 2008 20:13:47 +0000 (13:13 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 13 Mar 2008 20:13:47 +0000 (13:13 -0700)
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (32 commits)
  ACPI: thermal: show temperature in millidegree Celsius
  thermal: fix generic thermal I/F for hwmon
  acer-wmi: build depends on i8042
  documentation:  Move power-related files to Documentation/power/
  ACPI: buffer array too short in drivers/acpi/system.c
  acer-wmi: Add DMI quirk for mail LED support on Acer Aspire 3610/ 5610
  acer-wmi: Fix DSDT path in documentation
  acer-wmi: Make device detection error messages more descriptive
  laptops: move laptop-mode.txt to Documentation/laptops/
  ACPICA: Warn if packages with invalid references are evaluated
  ACPI: add _PRT quirks to work around broken firmware
  Hibernation: Fix mark_nosave_pages()
  ACPI: Ignore _BQC object when registering backlight device
  ACPI: WMI: Clean up handling of spec violating data blocks
  acer-wmi: Don't warn if mail LED cannot be detected
  acer-wmi: Rename mail LED correctly & remove hardcoded colour
  ACPI: use ACPI_DEBUG_PRINT instead of printk in acpi_processor_hotplug_notify()
  ACPI: button: make real parent for input devices in device tree
  toshiba_acpi: Enable autoloading
  ACPI: EC: Handle IRQ storm on Acer laptops
  ...

arch/alpha/Kconfig
arch/alpha/kernel/pci_iommu.c
drivers/block/floppy.c
drivers/char/riscom8.c
drivers/spi/au1550_spi.c
drivers/spi/spi_bitbang.c
fs/proc/task_mmu.c
include/asm-h8300/uaccess.h
scripts/kernel-doc
security/smack/smack.h
security/smack/smackfs.c

index 002703b8c0b033d72eea6297b869796f772c2c6e..729cdbdf8036203d99c1b59728aedf37d7a5349f 100644 (file)
@@ -330,6 +330,9 @@ config PCI_DOMAINS
 config PCI_SYSCALL
        def_bool PCI
 
+config IOMMU_HELPER
+       def_bool PCI
+
 config ALPHA_CORE_AGP
        bool
        depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL
index e07a23fc5b74e3d966ac1fc0c070f03fef83ca57..4e1c08636edd66b4c08b58aee5c358b55a0c382c 100644 (file)
@@ -10,6 +10,7 @@
 #include <linux/scatterlist.h>
 #include <linux/log2.h>
 #include <linux/dma-mapping.h>
+#include <linux/iommu-helper.h>
 
 #include <asm/io.h>
 #include <asm/hwrpb.h>
@@ -125,14 +126,6 @@ iommu_arena_new(struct pci_controller *hose, dma_addr_t base,
        return iommu_arena_new_node(0, hose, base, window_size, align);
 }
 
-static inline int is_span_boundary(unsigned int index, unsigned int nr,
-                                  unsigned long shift,
-                                  unsigned long boundary_size)
-{
-       shift = (shift + index) & (boundary_size - 1);
-       return shift + nr > boundary_size;
-}
-
 /* Must be called with the arena lock held */
 static long
 iommu_arena_find_pages(struct device *dev, struct pci_iommu_arena *arena,
@@ -147,7 +140,6 @@ iommu_arena_find_pages(struct device *dev, struct pci_iommu_arena *arena,
        base = arena->dma_base >> PAGE_SHIFT;
        if (dev) {
                boundary_size = dma_get_seg_boundary(dev) + 1;
-               BUG_ON(!is_power_of_2(boundary_size));
                boundary_size >>= PAGE_SHIFT;
        } else {
                boundary_size = 1UL << (32 - PAGE_SHIFT);
@@ -161,7 +153,7 @@ iommu_arena_find_pages(struct device *dev, struct pci_iommu_arena *arena,
 
 again:
        while (i < n && p+i < nent) {
-               if (!i && is_span_boundary(p, n, base, boundary_size)) {
+               if (!i && iommu_is_span_boundary(p, n, base, boundary_size)) {
                        p = ALIGN(p + 1, mask + 1);
                        goto again;
                }
index 32c79a55511bd174f3effd63af4e5bd7bc594b68..7652e87d60c52cb7c2a18053198fd205ec1ef9b2 100644 (file)
@@ -217,7 +217,6 @@ static int use_virtual_dma;
  */
 
 static DEFINE_SPINLOCK(floppy_lock);
-static struct completion device_release;
 
 static unsigned short virtual_dma_port = 0x3f0;
 irqreturn_t floppy_interrupt(int irq, void *dev_id);
@@ -4144,7 +4143,6 @@ DEVICE_ATTR(cmos,S_IRUGO,floppy_cmos_show,NULL);
 
 static void floppy_device_release(struct device *dev)
 {
-       complete(&device_release);
 }
 
 static struct platform_device floppy_device[N_DRIVE];
@@ -4539,7 +4537,6 @@ void cleanup_module(void)
 {
        int drive;
 
-       init_completion(&device_release);
        blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256);
        unregister_blkdev(FLOPPY_MAJOR, "fd");
 
@@ -4564,8 +4561,6 @@ void cleanup_module(void)
 
        /* eject disk, if any */
        fd_eject(0);
-
-       wait_for_completion(&device_release);
 }
 
 module_param(floppy, charp, 0);
index 589ac6f65b9afe21d2e73d15d31be29e0c53b95a..3f9d0a9ac36d5988408f29a133e5a9c8fa1763ae 100644 (file)
@@ -1709,7 +1709,7 @@ static int __init riscom8_init_module (void)
 
        if (iobase || iobase1 || iobase2 || iobase3) {
                for(i = 0; i < RC_NBOARD; i++)
-                       rc_board[0].base = 0;
+                       rc_board[i].base = 0;
        }
 
        if (iobase)
index c47a650183a14beeec627db2f439d47b7a08c401..41a3d00c45156f27d9c59c1663f02c95f4993265 100644 (file)
@@ -99,7 +99,7 @@ static dbdev_tab_t au1550_spi_mem_dbdev =
 static void au1550_spi_bits_handlers_set(struct au1550_spi *hw, int bpw);
 
 
-/**
+/*
  *  compute BRG and DIV bits to setup spi clock based on main input clock rate
  *  that was specified in platform data structure
  *  according to au1550 datasheet:
@@ -650,7 +650,7 @@ static int au1550_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
        return hw->txrx_bufs(spi, t);
 }
 
-static irqreturn_t au1550_spi_irq(int irq, void *dev, struct pt_regs *regs)
+static irqreturn_t au1550_spi_irq(int irq, void *dev)
 {
        struct au1550_spi *hw = dev;
        return hw->irq_callback(hw);
index f7f8580edad86c9be126ce1b6abd97d7629ee261..71e881419cddaa6ba9c77f588ae6723ff633249a 100644 (file)
@@ -344,12 +344,14 @@ static void bitbang_work(struct work_struct *work)
                                        t->rx_dma = t->tx_dma = 0;
                                status = bitbang->txrx_bufs(spi, t);
                        }
+                       if (status > 0)
+                               m->actual_length += status;
                        if (status != t->len) {
-                               if (status > 0)
-                                       status = -EMSGSIZE;
+                               /* always report some kind of error */
+                               if (status >= 0)
+                                       status = -EREMOTEIO;
                                break;
                        }
-                       m->actual_length += status;
                        status = 0;
 
                        /* protocol tweaks before next transfer */
index 6dc0334815f7f1243691ff714b175e2bc2b4dd54..4206454734e09d464d34a5c5a3bd86a6b51cfa9d 100644 (file)
@@ -640,17 +640,17 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
 
        ret = -EACCES;
        if (!ptrace_may_attach(task))
-               goto out;
+               goto out_task;
 
        ret = -EINVAL;
        /* file position must be aligned */
        if (*ppos % PM_ENTRY_BYTES)
-               goto out;
+               goto out_task;
 
        ret = 0;
        mm = get_task_mm(task);
        if (!mm)
-               goto out;
+               goto out_task;
 
        ret = -ENOMEM;
        uaddr = (unsigned long)buf & PAGE_MASK;
@@ -658,7 +658,7 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
        pagecount = (PAGE_ALIGN(uend) - uaddr) / PAGE_SIZE;
        pages = kmalloc(pagecount * sizeof(struct page *), GFP_KERNEL);
        if (!pages)
-               goto out_task;
+               goto out_mm;
 
        down_read(&current->mm->mmap_sem);
        ret = get_user_pages(current, current->mm, uaddr, pagecount,
@@ -668,6 +668,12 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
        if (ret < 0)
                goto out_free;
 
+       if (ret != pagecount) {
+               pagecount = ret;
+               ret = -EFAULT;
+               goto out_pages;
+       }
+
        pm.out = buf;
        pm.end = buf + count;
 
@@ -699,15 +705,17 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
                        ret = pm.out - buf;
        }
 
+out_pages:
        for (; pagecount; pagecount--) {
                page = pages[pagecount-1];
                if (!PageReserved(page))
                        SetPageDirty(page);
                page_cache_release(page);
        }
-       mmput(mm);
 out_free:
        kfree(pages);
+out_mm:
+       mmput(mm);
 out_task:
        put_task_struct(task);
 out:
index a22350ec271aae96e494fdcc6c90c432010a296d..356068cd0879bdf145bd68f12857b75cfd95ab4c 100644 (file)
@@ -91,22 +91,19 @@ extern int __put_user_bad(void);
 #define get_user(x, ptr)                                       \
 ({                                                             \
     int __gu_err = 0;                                          \
-    uint32_t __gu_val = 0;                             \
+    typeof(*(ptr)) __gu_val = *ptr;                            \
     switch (sizeof(*(ptr))) {                                  \
     case 1:                                                    \
     case 2:                                                    \
     case 4:                                                    \
-       __gu_val = *(ptr);                                      \
-       break;                                                  \
-    case 8:                                                    \
-       memcpy(&__gu_val, ptr, sizeof (*(ptr)));                \
+    case 8:                                                    \
        break;                                                  \
     default:                                                   \
-       __gu_val = 0;                                           \
        __gu_err = __get_user_bad();                            \
+       __gu_val = 0;                                           \
        break;                                                  \
     }                                                          \
-    (x) = (typeof(*(ptr)))__gu_val;                            \
+    (x) = __gu_val;                                            \
     __gu_err;                                                  \
 })
 #define __get_user(x, ptr) get_user(x, ptr)
index 74c2f9db2aac06586f25a1397c94de5325a2b509..263d04ab2d947398ee443f3b4ed1401700e0c307 100755 (executable)
@@ -247,6 +247,10 @@ my ($function, %function_table,%parametertypes,$declaration_purpose);
 my ($type,$declaration_name,$return_type);
 my ($newsection,$newcontents,$prototype,$filelist, $brcount, %source_map);
 
+if (defined($ENV{'KBUILD_VERBOSE'})) {
+       $verbose = "$ENV{'KBUILD_VERBOSE'}";
+}
+
 # Generated docbook code is inserted in a template at a point where
 # docbook v3.1 requires a non-zero sequence of RefEntry's; see:
 # http://www.oasis-open.org/docbook/documentation/reference/html/refentry.html
index a21a0e907ab34092017e6a67243a1ad93b3be171..62c1e982849d9b1ab83c38c1bc6bc9df68749e77 100644 (file)
 #define SMK_MAXLEN     23
 #define SMK_LABELLEN   (SMK_MAXLEN+1)
 
-/*
- * How many kinds of access are there?
- * Here's your answer.
- */
-#define SMK_ACCESSDASH '-'
-#define SMK_ACCESSLOW  "rwxa"
-#define SMK_ACCESSKINDS        (sizeof(SMK_ACCESSLOW) - 1)
-
 struct superblock_smack {
        char            *smk_root;
        char            *smk_floor;
index 358c92c1a153df7f943d09fdc3634ffffc47a632..afe7c9b0732ac6c16ae6677bbfe1ca0ca5ecf799 100644 (file)
@@ -81,10 +81,23 @@ static struct semaphore smack_write_sem;
 /*
  * Values for parsing cipso rules
  * SMK_DIGITLEN: Length of a digit field in a rule.
- * SMK_CIPSOMEN: Minimum possible cipso rule length.
+ * SMK_CIPSOMIN: Minimum possible cipso rule length.
+ * SMK_CIPSOMAX: Maximum possible cipso rule length.
  */
 #define SMK_DIGITLEN 4
-#define SMK_CIPSOMIN (SMK_MAXLEN + 2 * SMK_DIGITLEN)
+#define SMK_CIPSOMIN (SMK_LABELLEN + 2 * SMK_DIGITLEN)
+#define SMK_CIPSOMAX (SMK_CIPSOMIN + SMACK_CIPSO_MAXCATNUM * SMK_DIGITLEN)
+
+/*
+ * Values for parsing MAC rules
+ * SMK_ACCESS: Maximum possible combination of access permissions
+ * SMK_ACCESSLEN: Maximum length for a rule access field
+ * SMK_LOADLEN: Smack rule length
+ */
+#define SMK_ACCESS    "rwxa"
+#define SMK_ACCESSLEN (sizeof(SMK_ACCESS) - 1)
+#define SMK_LOADLEN   (SMK_LABELLEN + SMK_LABELLEN + SMK_ACCESSLEN)
+
 
 /*
  * Seq_file read operations for /smack/load
@@ -229,14 +242,10 @@ static void smk_set_access(struct smack_rule *srp)
  * The format is exactly:
  *     char subject[SMK_LABELLEN]
  *     char object[SMK_LABELLEN]
- *     char access[SMK_ACCESSKINDS]
- *
- *     Anything following is commentary and ignored.
+ *     char access[SMK_ACCESSLEN]
  *
- * writes must be SMK_LABELLEN+SMK_LABELLEN+4 bytes.
+ * writes must be SMK_LABELLEN+SMK_LABELLEN+SMK_ACCESSLEN bytes.
  */
-#define MINIMUM_LOAD (SMK_LABELLEN + SMK_LABELLEN + SMK_ACCESSKINDS)
-
 static ssize_t smk_write_load(struct file *file, const char __user *buf,
                              size_t count, loff_t *ppos)
 {
@@ -253,7 +262,7 @@ static ssize_t smk_write_load(struct file *file, const char __user *buf,
                return -EPERM;
        if (*ppos != 0)
                return -EINVAL;
-       if (count < MINIMUM_LOAD)
+       if (count != SMK_LOADLEN)
                return -EINVAL;
 
        data = kzalloc(count, GFP_KERNEL);
@@ -513,7 +522,7 @@ static ssize_t smk_write_cipso(struct file *file, const char __user *buf,
                return -EPERM;
        if (*ppos != 0)
                return -EINVAL;
-       if (count <= SMK_CIPSOMIN)
+       if (count < SMK_CIPSOMIN || count > SMK_CIPSOMAX)
                return -EINVAL;
 
        data = kzalloc(count + 1, GFP_KERNEL);
@@ -547,7 +556,7 @@ static ssize_t smk_write_cipso(struct file *file, const char __user *buf,
        if (ret != 1 || catlen > SMACK_CIPSO_MAXCATNUM)
                goto out;
 
-       if (count <= (SMK_CIPSOMIN + catlen * SMK_DIGITLEN))
+       if (count != (SMK_CIPSOMIN + catlen * SMK_DIGITLEN))
                goto out;
 
        memset(mapcatset, 0, sizeof(mapcatset));