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authorIngo Molnar <mingo@kernel.org>2016-05-05 09:57:27 +0200
committerIngo Molnar <mingo@kernel.org>2016-05-05 09:57:27 +0200
commite8c8ce54807b19e90ac84e609b13f7d4e337eab1 (patch)
treeae7d65ae17d55aee197b605ce1a193fe594af614 /drivers/infiniband/hw/qib/qib_file_ops.c
parent5db4298133d99b3dfc60d6899ac9df169769c899 (diff)
parent04974df8049fc4240d22759a91e035082ccd18b4 (diff)
Merge tag 'v4.6-rc6' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 e449e394963f..24f4a782e0f4 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/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;