From: Julia Lawall <julia@xxxxxxx> Error codes are stored in ret, but the return value is always 0. Return ret instead. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r@ local idexpression x; constant C; @@ if (...) { ... x = -C ... when != x ( return <+...x...+>; | return NULL; | return; | * return ...; ) } // </smpl> Signed-off-by: Julia Lawall <julia@xxxxxxx> --- This changes the semantics and has not been tested. fs/btrfs/ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 9254b3d..bc7e9c5 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -212,7 +212,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg) mnt_drop_write(file->f_path.mnt); out_unlock: mutex_unlock(&inode->i_mutex); - return 0; + return ret; } static int btrfs_ioctl_getversion(struct file *file, int __user *arg) -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html