diff options
| author | Jeff Layton <jlayton@redhat.com> | 2017-01-12 14:42:41 -0500 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2017-03-06 17:29:26 -0500 |
| commit | af9c6633999c6ac2e55c95866abe170be2d33eee (patch) | |
| tree | d0d6251e9fe31a2dbc89c0aafad4be4ad4fe61d5 /fs | |
| parent | 23fdc77db67b80af02335d786a7bb7aaa4e1f74c (diff) | |
ceph: fix bad endianness handling in parse_reply_info_extra
[ Upstream commit 6df8c9d80a27cb587f61b4f06b57e248d8bc3f86 ]
sparse says:
fs/ceph/mds_client.c:291:23: warning: restricted __le32 degrades to integer
fs/ceph/mds_client.c:293:28: warning: restricted __le32 degrades to integer
fs/ceph/mds_client.c:294:28: warning: restricted __le32 degrades to integer
fs/ceph/mds_client.c:296:28: warning: restricted __le32 degrades to integer
The op value is __le32, so we need to convert it before comparing it.
Cc: stable@vger.kernel.org # needs backporting for < 3.14
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ceph/mds_client.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 1e99b29650a9..4f3bf0f527f6 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -273,12 +273,13 @@ static int parse_reply_info_extra(void **p, void *end, struct ceph_mds_reply_info_parsed *info, u64 features) { - if (info->head->op == CEPH_MDS_OP_GETFILELOCK) + u32 op = le32_to_cpu(info->head->op); + + if (op == CEPH_MDS_OP_GETFILELOCK) return parse_reply_info_filelock(p, end, info, features); - else if (info->head->op == CEPH_MDS_OP_READDIR || - info->head->op == CEPH_MDS_OP_LSSNAP) + else if (op == CEPH_MDS_OP_READDIR || op == CEPH_MDS_OP_LSSNAP) return parse_reply_info_dir(p, end, info, features); - else if (info->head->op == CEPH_MDS_OP_CREATE) + else if (op == CEPH_MDS_OP_CREATE) return parse_reply_info_create(p, end, info, features); else return -EIO; |