On 11/15/23 19:19, Luis Henriques wrote:
Wenchao Hao <haowenchao2@xxxxxxxxxx> writes:
This issue is reported by smatch, get_quota_realm() might return
ERR_PTR, so we should using IS_ERR_OR_NULL here to check the return
value.
Signed-off-by: Wenchao Hao <haowenchao2@xxxxxxxxxx>
---
fs/ceph/quota.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ceph/quota.c b/fs/ceph/quota.c
index 9d36c3532de1..c4b2929c6a83 100644
--- a/fs/ceph/quota.c
+++ b/fs/ceph/quota.c
@@ -495,7 +495,7 @@ bool ceph_quota_update_statfs(struct ceph_fs_client *fsc, struct kstatfs *buf)
realm = get_quota_realm(mdsc, d_inode(fsc->sb->s_root),
QUOTA_GET_MAX_BYTES, true);
up_read(&mdsc->snap_rwsem);
- if (!realm)
+ if (IS_ERR_OR_NULL(realm))
return false;
spin_lock(&realm->inodes_with_caps_lock);
--
2.32.0
This looks right to me, the issue was introduced by commit 0c44a8e0fc55
("ceph: quota: fix quota subdir mounts"). FWIW:
Reviewed-by: Luis Henriques <lhenriques@xxxxxxx>
Thanks Luis. I have updated the testing branch.
- Xiubo
Cheers,
