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path: root/fs/ceph/mds_client.c
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Diffstat (limited to 'fs/ceph/mds_client.c')
-rw-r--r--fs/ceph/mds_client.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index a8a8f84f3bbf..a5163296d9d9 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -384,8 +384,8 @@ static int parse_reply_info_readdir(void **p, void *end,
}
done:
- if (*p != end)
- goto bad;
+ /* Skip over any unrecognized fields */
+ *p = end;
return 0;
bad:
@@ -406,12 +406,10 @@ static int parse_reply_info_filelock(void **p, void *end,
goto bad;
info->filelock_reply = *p;
- *p += sizeof(*info->filelock_reply);
- if (unlikely(*p != end))
- goto bad;
+ /* Skip over any unrecognized fields */
+ *p = end;
return 0;
-
bad:
return -EIO;
}
@@ -425,18 +423,21 @@ static int parse_reply_info_create(void **p, void *end,
{
if (features == (u64)-1 ||
(features & CEPH_FEATURE_REPLY_CREATE_INODE)) {
+ /* Malformed reply? */
if (*p == end) {
info->has_create_ino = false;
} else {
info->has_create_ino = true;
- info->ino = ceph_decode_64(p);
+ ceph_decode_64_safe(p, end, info->ino, bad);
}
+ } else {
+ if (*p != end)
+ goto bad;
}
- if (unlikely(*p != end))
- goto bad;
+ /* Skip over any unrecognized fields */
+ *p = end;
return 0;
-
bad:
return -EIO;
}