Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / fs / msdos / namei.c

diff --git a/fs/msdos/namei.c b/fs/msdos/namei.c
index 154f511..5b76ccd 100644 (file)
--- a/fs/msdos/namei.c
+++ b/fs/msdos/namei.c
@@ -12,14 +12,6 @@
 #include <linux/msdos_fs.h>
 #include <linux/smp_lock.h>
 
-/* MS-DOS "device special files" */
-static const unsigned char *reserved_names[] = {
-       "CON     ", "PRN     ", "NUL     ", "AUX     ",
-       "LPT1    ", "LPT2    ", "LPT3    ", "LPT4    ",
-       "COM1    ", "COM2    ", "COM3    ", "COM4    ",
-       NULL
-};
-
 /* Characters that are undesirable in an MS-DOS file name */
 static unsigned char bad_chars[] = "*?<>|\"";
 static unsigned char bad_if_strict_pc[] = "+=,; ";
@@ -40,7 +32,6 @@ static int msdos_format_name(const unsigned char *name, int len,
         */
 {
        unsigned char *walk;
-       const unsigned char **reserved;
        unsigned char c;
        int space;
 
@@ -127,11 +118,7 @@ static int msdos_format_name(const unsigned char *name, int len,
        }
        while (walk - res < MSDOS_NAME)
                *walk++ = ' ';
-       if (!opts->atari)
-               /* GEMDOS is less stupid and has no reserved names */
-               for (reserved = reserved_names; *reserved; reserved++)
-                       if (!strncmp(res, *reserved, 8))
-                               return -EINVAL;
+
        return 0;
 }
 
@@ -454,10 +441,10 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
 {
        struct buffer_head *dotdot_bh;
        struct msdos_dir_entry *dotdot_de;
-       loff_t dotdot_i_pos;
        struct inode *old_inode, *new_inode;
        struct fat_slot_info old_sinfo, sinfo;
        struct timespec ts;
+       loff_t dotdot_i_pos, new_i_pos;
        int err, old_attrs, is_dir, update_dotdot, corrupt = 0;
 
        old_sinfo.bh = sinfo.bh = dotdot_bh = NULL;
@@ -516,28 +503,24 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
        if (new_inode) {
                if (err)
                        goto out;
-               if (MSDOS_I(new_inode)->i_pos != sinfo.i_pos) {
-                       /* WTF??? Cry and fail. */
-                       printk(KERN_WARNING "msdos_rename: fs corrupted\n");
-                       goto out;
-               }
-
                if (is_dir) {
                        err = fat_dir_empty(new_inode);
                        if (err)
                                goto out;
                }
+               new_i_pos = MSDOS_I(new_inode)->i_pos;
                fat_detach(new_inode);
        } else {
                err = msdos_add_entry(new_dir, new_name, is_dir, is_hid, 0,
                                      &ts, &sinfo);
                if (err)
                        goto out;
+               new_i_pos = sinfo.i_pos;
        }
        new_dir->i_version++;
 
        fat_detach(old_inode);
-       fat_attach(old_inode, sinfo.i_pos);
+       fat_attach(old_inode, new_i_pos);
        if (is_hid)
                MSDOS_I(old_inode)->i_attrs |= ATTR_HIDDEN;
        else
@@ -604,7 +587,7 @@ error_inode:
        fat_attach(old_inode, old_sinfo.i_pos);
        MSDOS_I(old_inode)->i_attrs = old_attrs;
        if (new_inode) {
-               fat_attach(new_inode, sinfo.i_pos);
+               fat_attach(new_inode, new_i_pos);
                if (corrupt)
                        corrupt |= fat_sync_inode(new_inode);
        } else {