X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Finfiniband%2Fhw%2Fqib%2Fqib_file_ops.c;fp=kernel%2Fdrivers%2Finfiniband%2Fhw%2Fqib%2Fqib_file_ops.c;h=24f4a782e0f431282bb8f79fc496a0b998a7a55a;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=e449e394963f00d42cd11ecafbca6081f9011bcd;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/infiniband/hw/qib/qib_file_ops.c b/kernel/drivers/infiniband/hw/qib/qib_file_ops.c
index e449e3949..24f4a782e 100644
--- a/kernel/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/kernel/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -45,6 +45,8 @@
 #include <linux/export.h>
 #include <linux/uio.h>
 
+#include <rdma/ib.h>
+
 #include "qib.h"
 #include "qib_common.h"
 #include "qib_user_sdma.h"
@@ -2067,6 +2069,9 @@ static ssize_t qib_write(struct file *fp, const char __user *data,
 	ssize_t ret = 0;
 	void *dest;
 
+	if (WARN_ON_ONCE(!ib_safe_file_access(fp)))
+		return -EACCES;
+
 	if (count < sizeof(cmd.type)) {
 		ret = -EINVAL;
 		goto bail;