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btrfs: fix return value mixup in btrfs_get_extent 

btrfs_get_extent() sets variable ret, but out: error path expect error
to be in variable err so the error code is lost.

Fixes: 6bf9e4bd6a ("btrfs: inode: Verify inode mode to avoid NULL pointer dereference")
CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Pavel Machek (CIP) <pavel@denx.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Pavel Machek 2020-08-03 11:35:06 +02:00 committed by David Sterba
parent 62ab2cc04d
commit 881a3a11c2
1 changed files with 1 additions and 1 deletions
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fs/btrfs/inode.c
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@ -6627,7 +6627,7 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
extent_type == BTRFS_FILE_EXTENT_PREALLOC) {
/* Only regular file could have regular/prealloc extent */
if (!S_ISREG(inode->vfs_inode.i_mode)) {
ret = -EUCLEAN;
err = -EUCLEAN;
btrfs_crit(fs_info,
"regular/prealloc extent found for non-regular inode %llu",
btrfs_ino(inode));