diff mbox series

[28/34] LU-7734 lnet: Fix crash in router_proc.c

Message ID 153783763594.32103.9029692452686853485.stgit@noble (mailing list archive)
State New, archived
Headers show
Series lustre: remainder of multi-rail series. | expand

Commit Message

NeilBrown Sept. 25, 2018, 1:07 a.m. UTC 
From: Amir Shehata <amir.shehata@intel.com>

Fixed NULL access in the case when a peer is a remote
peer. In that case lpni_net is NULL.

Signed-off-by: Amir Shehata <amir.shehata@intel.com>
Change-Id: Ida234ff016b2bdc305acf74df0f99600d2555e27
Reviewed-on: http://review.whamcloud.com/21327
Signed-off-by: NeilBrown <neilb@suse.com>
---
 drivers/staging/lustre/lnet/lnet/router_proc.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/staging/lustre/lnet/lnet/router_proc.c b/drivers/staging/lustre/lnet/lnet/router_proc.c
index 977a937f261c..a887ca446d42 100644
--- a/drivers/staging/lustre/lnet/lnet/router_proc.c
+++ b/drivers/staging/lustre/lnet/lnet/router_proc.c
@@ -492,7 +492,8 @@  static int proc_lnet_peers(struct ctl_table *table, int write,
 			int nrefs = atomic_read(&peer->lpni_refcount);
 			time64_t lastalive = -1;
 			char *aliveness = "NA";
-			int maxcr = peer->lpni_net->net_tunables.lct_peer_tx_credits;
+			int maxcr = peer->lpni_net ?
+				peer->lpni_net->net_tunables.lct_peer_tx_credits : 0;
 			int txcr = peer->lpni_txcredits;
 			int mintxcr = peer->lpni_mintxcredits;
 			int rtrcr = peer->lpni_rtrcredits;