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staging/lustre/lnet: fix potential null pointer dereference in kiblnd_rejected 

Null pointer 'cp' that comes from line 2544 may be dereferenced
at line 2618.
found by Klocwork Insight tool

Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-on: http://review.whamcloud.com/9386
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4629
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Isaac Huang <he.huang@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Eremin 2014-04-27 22:25:57 -04:00 committed by Greg Kroah-Hartman
parent 1ae2bdb21e
commit 109dae8dab
1 changed files with 6 additions and 2 deletions
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8
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
View File

@ -2609,13 +2609,17 @@ kiblnd_rejected (kib_conn_t *conn, int reason, void *priv, int priv_nob)
case IBLND_REJECT_MSG_QUEUE_SIZE:
CERROR("%s rejected: incompatible message queue depth %d, %d\n",
libcfs_nid2str(peer->ibp_nid), cp->ibcp_queue_depth,
libcfs_nid2str(peer->ibp_nid),
cp != NULL ? cp->ibcp_queue_depth :
IBLND_MSG_QUEUE_SIZE(rej->ibr_version),
IBLND_MSG_QUEUE_SIZE(conn->ibc_version));
break;
case IBLND_REJECT_RDMA_FRAGS:
CERROR("%s rejected: incompatible # of RDMA fragments %d, %d\n",
libcfs_nid2str(peer->ibp_nid), cp->ibcp_max_frags,
libcfs_nid2str(peer->ibp_nid),
cp != NULL ? cp->ibcp_max_frags :
IBLND_RDMA_FRAGS(rej->ibr_version),
IBLND_RDMA_FRAGS(conn->ibc_version));
break;