[PATCH] affs: possible null pointer dereference in affs_rename()
If affs_bread() fails, the exit path calls mark_buffer_dirty_inode() with a
NULL argument.
Coverity CID: 312.
Signed-off-by: Florin Malita <fmalita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index d4c2d63..a42143c 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -416,10 +416,9 @@
return retval;
}
- retval = -EIO;
bh = affs_bread(sb, old_dentry->d_inode->i_ino);
if (!bh)
- goto done;
+ return -EIO;
/* Remove header from its parent directory. */
affs_lock_dir(old_dir);