Merge branch 'master' of /home/tglx/work/mtd/git/linux-2.6.git/

[sfrench/cifs-2.6.git] / drivers / mtd / mtdchar.c

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 1ed602a0f24cb617fd06cc27fd70d72399380b67..8c0d94b72b63671cae6c1aa51ab30bfa9957da96 100644 (file)
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -1,5 +1,5 @@
 /*
- * $Id: mtdchar.c,v 1.73 2005/07/04 17:36:41 gleixner Exp $
+ * $Id: mtdchar.c,v 1.74 2005/08/04 01:05:48 tpoynor Exp $
  *
  * Character-device access to raw MTD devices.
  *
@@ -13,6 +13,7 @@
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/fs.h>
+#include <linux/sched.h>       /* TASK_* */
 #include <asm/uaccess.h>
 
 #include <linux/device.h>
@@ -24,10 +25,10 @@ static void mtd_notify_add(struct mtd_info* mtd)
        if (!mtd)
                return;
 
-       class_device_create(mtd_class, MKDEV(MTD_CHAR_MAJOR, mtd->index*2),
+       class_device_create(mtd_class, NULL, MKDEV(MTD_CHAR_MAJOR, mtd->index*2),
                            NULL, "mtd%d", mtd->index);
        
-       class_device_create(mtd_class, 
+       class_device_create(mtd_class, NULL,
                            MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1),
                            NULL, "mtd%dro", mtd->index);
 }
@@ -69,26 +70,23 @@ static loff_t mtd_lseek (struct file *file, loff_t offset, int orig)
        switch (orig) {
        case 0:
                /* SEEK_SET */
-               file->f_pos = offset;
                break;
        case 1:
                /* SEEK_CUR */
-               file->f_pos += offset;
+               offset += file->f_pos;
                break;
        case 2:
                /* SEEK_END */
-               file->f_pos =mtd->size + offset;
+               offset += mtd->size;
                break;
        default:
                return -EINVAL;
        }
 
-       if (file->f_pos < 0)
-               file->f_pos = 0;
-       else if (file->f_pos >= mtd->size)
-               file->f_pos = mtd->size - 1;
+       if (offset >= 0 && offset < mtd->size)
+               return file->f_pos = offset;
 
-       return file->f_pos;
+       return -EINVAL;
 }