b=22731 server should not fall into LBUG if client send invalid parameter

[fs/lustre-release.git] / lustre / mdt / mdt_lib.c

diff --git a/lustre/mdt/mdt_lib.c b/lustre/mdt/mdt_lib.c
index 26715a3..5afad12 100644 (file)
--- a/lustre/mdt/mdt_lib.c
+++ b/lustre/mdt/mdt_lib.c
@@ -1173,6 +1173,9 @@ static int mdt_open_unpack(struct mdt_thread_info *info)
                          LA_CTIME | LA_MTIME | LA_ATIME;
         memset(&info->mti_spec.u, 0, sizeof(info->mti_spec.u));
         info->mti_spec.sp_cr_flags = rec->cr_flags;
+        /* Do not trigger ASSERTION if client miss to set such flags. */
+        if (unlikely(info->mti_spec.sp_cr_flags == 0))
+                RETURN(-EPROTO);
         info->mti_replayepoch = rec->cr_ioepoch;
 
         info->mti_spec.sp_ck_split = !!(rec->cr_bias & MDS_CHECK_SPLIT);