Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / infiniband / hw / qib / qib_file_ops.c

diff --git a/kernel/drivers/infiniband/hw/qib/qib_file_ops.c b/kernel/drivers/infiniband/hw/qib/qib_file_ops.c
index e449e39..24f4a78 100644 (file)
--- 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;