diff options
| author | Dmitry Eremin <dmitry.eremin@intel.com> | 2016-03-02 22:01:55 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-03-02 23:23:49 (GMT) |
| commit | 2b51cb033bb7d961fec771c3a09ed71da2d31861 (patch) | |
| tree | 44be38f390febdab3c61d1daab30a69ada63a44d | |
| parent | 0d92363564de7b755f47ab91aaafa0ec197a36af (diff) | |
| download | linux-2b51cb033bb7d961fec771c3a09ed71da2d31861.tar.xz | |
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>
| -rw-r--r-- | drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c index 2c83b95..a710541 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; |