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staging: lustre: fix socklnd issues found by Klocwork Insight tool 

Null pointer 'best_iface' that comes from line 802 may be
dereferenced at line 832.

Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4629
Reviewed-on: http://review.whamcloud.com/9386
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Isaac Huang <he.huang@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Eremin 2016-03-02 17:01:55 -05:00 committed by Greg Kroah-Hartman
parent 0d92363564
commit 2b51cb033b
1 changed files with 4 additions and 0 deletions
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4
drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
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@ -804,6 +804,8 @@ ksocknal_select_ips(ksock_peer_t *peer, __u32 *peerips, int n_peerips)
ip = peer->ksnp_passive_ips[i];
best_iface = ksocknal_ip2iface(peer->ksnp_ni, ip);
/* peer passive ips are kept up to date */
LASSERT(best_iface);
} else {
/* choose a new interface */
LASSERT(i == peer->ksnp_n_passive_ips);
@ -838,6 +840,8 @@ ksocknal_select_ips(ksock_peer_t *peer, __u32 *peerips, int n_peerips)
best_npeers = iface->ksni_npeers;
}
LASSERT(best_iface);
best_iface->ksni_npeers++;
ip = best_iface->ksni_ipaddr;
peer->ksnp_passive_ips[i] = ip;