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authorMohsin Kazmi <sykazmi@cisco.com>2020-08-20 17:18:56 +0200
committerBenoƮt Ganne <bganne@cisco.com>2020-08-31 09:05:02 +0000
commit133c91c1c06e7c773ba675181901ba0dcf955ae6 (patch)
tree83000f26d297fde5ba53d0916b7b57ca9446a770 /src/vnet/devices/virtio/pci.c
parent2b79341dcafe8fa9397acf42b8021c88664db2df (diff)
virtio: fix the coverity warning
Type: fix Change-Id: I6c6d66ad8aa158be8d2b9d111de7d46473b9dc02 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/devices/virtio/pci.c')
-rw-r--r--src/vnet/devices/virtio/pci.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/vnet/devices/virtio/pci.c b/src/vnet/devices/virtio/pci.c
index 494a3f383fa..1e94bbdc029 100644
--- a/src/vnet/devices/virtio/pci.c
+++ b/src/vnet/devices/virtio/pci.c
@@ -727,8 +727,13 @@ virtio_pci_read_caps (vlib_main_t * vm, virtio_if_t * vif, void **bar)
"[%4x] cfg type: %u, bar: %u, offset: %04x, len: %u",
pos, cap.cfg_type, cap.bar, cap.offset, cap.length);
- vif->bar = bar[cap.bar];
- vif->bar_id = cap.bar;
+ if (cap.bar >= 1 && cap.bar <= 5)
+ {
+ vif->bar = bar[cap.bar];
+ vif->bar_id = cap.bar;
+ }
+ else
+ return clib_error_return (error, "invalid bar %u", cap.bar);
switch (cap.cfg_type)
{