[Ocfs2-devel] [PATCH linux-next] ocfs2: fix bugon.cocci warnings

[Ocfs2-devel] [PATCH linux-next] ocfs2: fix bugon.cocci warnings

[CGEL]

From: Changcheng Deng <deng.changcheng@zte.com.cn>

Use BUG_ON instead of if condition followed by BUG.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
---
 fs/ocfs2/journal.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 4f15750..2305aa5 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -974,8 +974,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb)
 		goto done;
 
 	/* need to inc inode use count - jbd2_journal_destroy will iput. */
-	if (!igrab(inode))
-		BUG();
+	BUG_ON(!igrab(inode));
 
 	num_running_trans = atomic_read(&(osb->journal->j_num_trans));
 	trace_ocfs2_journal_shutdown(num_running_trans);
@@ -1656,8 +1655,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
 	status = jbd2_journal_load(journal);
 	if (status < 0) {
 		mlog_errno(status);
-		if (!igrab(inode))
-			BUG();
+		BUG_ON(!igrab(inode));
 		jbd2_journal_destroy(journal);
 		goto done;
 	}
@@ -1686,8 +1684,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
 	if (status < 0)
 		mlog_errno(status);
 
-	if (!igrab(inode))
-		BUG();
+	BUG_ON(!igrab(inode));
 
 	jbd2_journal_destroy(journal);
 
-- 
1.8.3.1



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Re: [Ocfs2-devel] [PATCH linux-next] ocfs2: fix bugon.cocci warnings

[Joseph Qi]

On 8/28/21 9:04 AM, CGEL wrote:
> From: Changcheng Deng <deng.changcheng@zte.com.cn>
> 
> Use BUG_ON instead of if condition followed by BUG.
> 
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>

Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>

BTW, could you send out a series to clean all in ocfs2?

> ---
>  fs/ocfs2/journal.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
> index 4f15750..2305aa5 100644
> --- a/fs/ocfs2/journal.c
> +++ b/fs/ocfs2/journal.c
> @@ -974,8 +974,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb)
>  		goto done;
>  
>  	/* need to inc inode use count - jbd2_journal_destroy will iput. */
> -	if (!igrab(inode))
> -		BUG();
> +	BUG_ON(!igrab(inode));
>  
>  	num_running_trans = atomic_read(&(osb->journal->j_num_trans));
>  	trace_ocfs2_journal_shutdown(num_running_trans);
> @@ -1656,8 +1655,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
>  	status = jbd2_journal_load(journal);
>  	if (status < 0) {
>  		mlog_errno(status);
> -		if (!igrab(inode))
> -			BUG();
> +		BUG_ON(!igrab(inode));
>  		jbd2_journal_destroy(journal);
>  		goto done;
>  	}
> @@ -1686,8 +1684,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb,
>  	if (status < 0)
>  		mlog_errno(status);
>  
> -	if (!igrab(inode))
> -		BUG();
> +	BUG_ON(!igrab(inode));
>  
>  	jbd2_journal_destroy(journal);
>  
> 

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