IB/hfi1: Fix to fully initialize send context area
While handling buffer control MAD, partially initialized
dd->kernel_send_context area may cause potential dereference
of uninitialized pointers. Fix by using kzalloc_node()
instead of kmalloc_node().
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Andrzej Kacprowski <andrzej.kacprowski@intel.com>
Signed-off-by: Tymoteusz Kielan <tymoteusz.kielan@intel.com>
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c
index d402245..a99fcca 100644
--- a/drivers/infiniband/hw/hfi1/pio.c
+++ b/drivers/infiniband/hw/hfi1/pio.c
@@ -1956,7 +1956,7 @@
hfi1_init_ctxt(dd->vld[15].sc);
dd->vld[15].mtu = enum_to_mtu(OPA_MTU_2048);
- dd->kernel_send_context = kmalloc_node(dd->num_send_contexts *
+ dd->kernel_send_context = kzalloc_node(dd->num_send_contexts *
sizeof(struct send_context *),
GFP_KERNEL, dd->node);
dd->kernel_send_context[0] = dd->vld[15].sc;