From: Benoît Ganne <bganne@cisco.com>
Date: Mon, 7 Oct 2019 13:36:10 +0000 (+0200)
Subject: rdma: fix crash when failing to read pci addr on create
X-Git-Tag: v20.05-rc0~689
X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=commitdiff_plain;h=0dd97d473bc0c958d9fcea508e1f5122a137b23f

rdma: fix crash when failing to read pci addr on create

Type: fix

Change-Id: I543e2e5976cb384b81278a7ec98a0a6ab1612438
Signed-off-by: Benoît Ganne <bganne@cisco.com>
---

diff --git a/src/plugins/rdma/device.c b/src/plugins/rdma/device.c
index ea6d2785845..6c48a97f5bf 100644
--- a/src/plugins/rdma/device.c
+++ b/src/plugins/rdma/device.c
@@ -566,6 +566,9 @@ sysfs_path_to_pci_addr (char *path, vlib_pci_addr_t * addr)
   u8 *s;
 
   s = clib_sysfs_link_to_name (path);
+  if (!s)
+    return 0;
+
   unformat_init_string (&in, (char *) s, strlen ((char *) s));
   rv = unformat (&in, "%U", unformat_vlib_pci_addr, addr);
   unformat_free (&in);