Commit 6ebedacb authored Jul 13, 2017 by Dan Carpenter Committed by Doug Ledford Jul 20, 2017

cxgb4: Fix error codes in c4iw_create_cq()



If one of these kmalloc() calls fails then we return ERR_PTR(0) which is
NULL.  It results in a NULL dereference in the callers.

Fixes: cfdda9d7 ("RDMA/cxgb4: Add driver for Chelsio T4 RNIC")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

parent 6031e079

drivers/infiniband/hw/cxgb4/cq.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -963,6 +963,7 @@ struct ib_cq c4iw_create_cq(struct ib_device ibdev,
		goto err3;

		if (ucontext) {
		ret = -ENOMEM;
		mm = kmalloc(sizeof *mm, GFP_KERNEL);
		if (!mm)
		goto err4;