From: Dmitry Eremin Date: Wed, 2 Mar 2016 22:01:55 +0000 (-0500) Subject: staging: lustre: fix socklnd issues found by Klocwork Insight tool X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2b51cb033bb7d961fec771c3a09ed71da2d31861;p=linux-beck.git 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 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4629 Reviewed-on: http://review.whamcloud.com/9386 Reviewed-by: John L. Hammond Reviewed-by: Isaac Huang Reviewed-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c index 2c83b95002ae..a710541f0b7f 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c @@ -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;