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authorDing Xiang <dingxiang@cmss.chinamobile.com>2019-11-30 17:49:12 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-12-01 06:29:17 -0800
commit188c523e1c271d537f3c9f55b6b65bf4476de32f (patch)
tree44cfe54ad28298474362db10012ace63c0972b8f /fs/ocfs2
parent2d216b2318a7a825177579ae27ac77b87959477f (diff)
ocfs2: fix passing zero to 'PTR_ERR' warning
Fix a static code checker warning: fs/ocfs2/acl.c:331 ocfs2_acl_chmod() warn: passing zero to 'PTR_ERR' Link: http://lkml.kernel.org/r/1dee278b-6c96-eec2-ce76-fe6e07c6e20f@linux.alibaba.com 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> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Gang He <ghe@suse.com> Cc: Jun Piao <piaojun@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/acl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index 3e7da392aa6f..bb981ec76456 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;