This prevents the memcpy of a guid_entries element using a negative index.
Signed-off-by: Roel Kluin <[email protected]>
---
Maybe this change then?
diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c
b/drivers/infiniband/hw/ehca/ehca_hca.c
index 9209c53..bd9414b 100644
--- a/drivers/infiniband/hw/ehca/ehca_hca.c
+++ b/drivers/infiniband/hw/ehca/ehca_hca.c
@@ -319,7 +319,7 @@ int ehca_query_gid(struct ib_device *ibdev, u8 port,
ib_device);
struct hipz_query_port *rblock;
- if (index > 255) {
+ if (index > 255 || index < 0) {
ehca_err(&shca->ib_device, "Invalid index: %x.", index);
return -EINVAL;
}
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