diff mbox

[1/3] btrfs: remove BUG_ON from __tree_mod_log_insert

Message ID f4837430011633a26eeb2c1410d20f1f954e2395.1487614974.git.dsterba@suse.com (mailing list archive)
State Accepted
Headers show

Commit Message

David Sterba Feb. 20, 2017, 6:25 p.m. UTC
All callers dereference the 'tm' parameter before it gets to this
function, the NULL check does not make much sense here.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/ctree.c | 2 --
 1 file changed, 2 deletions(-)

Comments

Liu Bo Feb. 22, 2017, 5:31 a.m. UTC | #1
On Mon, Feb 20, 2017 at 07:25:01PM +0100, David Sterba wrote:
> All callers dereference the 'tm' parameter before it gets to this
> function, the NULL check does not make much sense here.

Reviewed-by: Liu Bo <bo.li.liu@oracle.com>

Thanks,

-liubo
> 
> Signed-off-by: David Sterba <dsterba@suse.com>
> ---
>  fs/btrfs/ctree.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
> index 1192bc7d2ee7..2c3c943bfcdc 100644
> --- a/fs/btrfs/ctree.c
> +++ b/fs/btrfs/ctree.c
> @@ -453,8 +453,6 @@ __tree_mod_log_insert(struct btrfs_fs_info *fs_info, struct tree_mod_elem *tm)
>  	struct rb_node *parent = NULL;
>  	struct tree_mod_elem *cur;
>  
> -	BUG_ON(!tm);
> -
>  	tm->seq = btrfs_inc_tree_mod_seq(fs_info);
>  
>  	tm_root = &fs_info->tree_mod_log;
> -- 
> 2.10.1
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 1192bc7d2ee7..2c3c943bfcdc 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -453,8 +453,6 @@  __tree_mod_log_insert(struct btrfs_fs_info *fs_info, struct tree_mod_elem *tm)
 	struct rb_node *parent = NULL;
 	struct tree_mod_elem *cur;
 
-	BUG_ON(!tm);
-
 	tm->seq = btrfs_inc_tree_mod_seq(fs_info);
 
 	tm_root = &fs_info->tree_mod_log;