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authorAlex Shi <alex.shi@linaro.org>2016-05-24 12:17:46 +0800
committerAlex Shi <alex.shi@linaro.org>2016-05-24 12:17:46 +0800
commitb5db8c3eefa4d7b7ca7934610356969fa1a4547b (patch)
treefb2cc37b4da4b4611eb9920789a130a6c41af1e7 /drivers/infiniband/hw/qib/qib_file_ops.c
parent14c737514d0953f05e91103c05e975b3b5c1e469 (diff)
parent6c1be3bf831c5b1f2ba51425315287df2c350633 (diff)
Merge branch 'linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-androidlsk-v3.18-16.05-android
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_file_ops.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_file_ops.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index b15e34eeef68..3ab8229b1d8c 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -45,6 +45,8 @@
#include <linux/delay.h>
#include <linux/export.h>
+#include <rdma/ib.h>
+
#include "qib.h"
#include "qib_common.h"
#include "qib_user_sdma.h"
@@ -2058,6 +2060,9 @@ 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;