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authorBenoît Ganne <bganne@cisco.com>2019-10-04 17:30:21 +0200
committerAndrew Yourtchenko <ayourtch@gmail.com>2019-10-15 10:45:30 +0000
commita086e304e4061569c0cb1cfb20a5c045c0e92c16 (patch)
treef8223721c3dade59aed90bbf8114b4bf141c2547 /src
parentb022d3195a5a3f30c6a5b48af9bf00a0fcdcf976 (diff)
vlib: pci: set pci driver name to none when no driver is loaded
If no Linux PCI driver module is loaded, then the driver_name in the PCI info struct is NULL. This can triggers crash when checking driver name eg. in vlib_pci_device_open(). Default to "<NONE>" as driver name, which should never match. Type: fix Change-Id: I9e69889a7566467bd8220b92bbbaa72ada957257 Signed-off-by: Benoît Ganne <bganne@cisco.com> (cherry picked from commit 0eae2bb1f1199f7dcb6a8c62b1ea612ed9ee4ae1)
Diffstat (limited to 'src')
-rw-r--r--src/vlib/linux/pci.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/vlib/linux/pci.c b/src/vlib/linux/pci.c
index fdb5271f56a..82f5007818e 100644
--- a/src/vlib/linux/pci.c
+++ b/src/vlib/linux/pci.c
@@ -291,6 +291,8 @@ vlib_pci_get_device_info (vlib_main_t * vm, vlib_pci_addr_t * addr,
vec_reset_length (f);
f = format (f, "%v/driver%c", dev_dir_name, 0);
di->driver_name = clib_sysfs_link_to_name ((char *) f);
+ if (!di->driver_name)
+ di->driver_name = format (0, "<NONE>%c", 0);
di->iommu_group = -1;
if (lvm->container_fd != -1)