* [PATCH] ocfs2: Fix passing zero to 'PTR_ERR' warning
@ 2019-09-09 10:04 Ding Xiang
2019-09-10 6:45 ` Joseph Qi
0 siblings, 1 reply; 2+ messages in thread
From: Ding Xiang @ 2019-09-09 10:04 UTC (permalink / raw)
To: mark, jlbec, joseph.qi; +Cc: ocfs2-devel, linux-kernel
Fix a static code checker warning:
fs/ocfs2/acl.c:331
ocfs2_acl_chmod() warn: passing zero to 'PTR_ERR'
Fixes: 5ee0fbd50fd ("ocfs2: revert using ocfs2_acl_chmod to avoid inode cluster lock hang")
Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
---
fs/ocfs2/acl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index 3e7da39..bb981ec 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -327,8 +327,8 @@ int ocfs2_acl_chmod(struct inode *inode, struct buffer_head *bh)
down_read(&OCFS2_I(inode)->ip_xattr_sem);
acl = ocfs2_get_acl_nolock(inode, ACL_TYPE_ACCESS, bh);
up_read(&OCFS2_I(inode)->ip_xattr_sem);
- if (IS_ERR(acl) || !acl)
- return PTR_ERR(acl);
+ if (IS_ERR_OR_NULL(acl))
+ return PTR_ERR_OR_ZERO(acl);
ret = __posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
if (ret)
return ret;
--
1.9.1
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] ocfs2: Fix passing zero to 'PTR_ERR' warning
2019-09-09 10:04 [PATCH] ocfs2: Fix passing zero to 'PTR_ERR' warning Ding Xiang
@ 2019-09-10 6:45 ` Joseph Qi
0 siblings, 0 replies; 2+ messages in thread
From: Joseph Qi @ 2019-09-10 6:45 UTC (permalink / raw)
To: Ding Xiang, mark, jlbec, Andrew Morton; +Cc: ocfs2-devel, linux-kernel
On 19/9/9 18:04, Ding Xiang wrote:
> Fix a static code checker warning:
> fs/ocfs2/acl.c:331
> ocfs2_acl_chmod() warn: passing zero to 'PTR_ERR'
>
> Fixes: 5ee0fbd50fd ("ocfs2: revert using ocfs2_acl_chmod to avoid inode cluster lock hang")
> Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
> ---
> fs/ocfs2/acl.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
> index 3e7da39..bb981ec 100644
> --- a/fs/ocfs2/acl.c
> +++ b/fs/ocfs2/acl.c
> @@ -327,8 +327,8 @@ int ocfs2_acl_chmod(struct inode *inode, struct buffer_head *bh)
> down_read(&OCFS2_I(inode)->ip_xattr_sem);
> acl = ocfs2_get_acl_nolock(inode, ACL_TYPE_ACCESS, bh);
> up_read(&OCFS2_I(inode)->ip_xattr_sem);
> - if (IS_ERR(acl) || !acl)
> - return PTR_ERR(acl);
> + if (IS_ERR_OR_NULL(acl))
> + return PTR_ERR_OR_ZERO(acl);
> ret = __posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
> if (ret)
> return ret;
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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