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From 4d94bd2c20faa5285410e44afaa72701ace39097 Mon Sep 17 00:00:00 2001
From: Andres Rodriguez <andres.rodriguez@amd.com>
Date: Tue, 13 Sep 2016 16:04:22 -0400
Subject: [PATCH 1188/4131] drm/amdkfd: set /dev/kfd permissions to 0666 by
default
Set the default permissions of /dev/kfd to be more than just root
accessible 600.
Change-Id: I282327f27c19b40f2b2f1542ec07c41b917654fd
Signed-off-by: Andres Rodriguez <andres.rodriguez@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index c144752..cbc7f69 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -62,6 +62,14 @@ static int kfd_char_dev_major = -1;
static struct class *kfd_class;
struct device *kfd_device;
+static char *kfd_devnode(struct device *dev, umode_t *mode)
+{
+ if (mode && dev->devt == MKDEV(kfd_char_dev_major, 0))
+ *mode = 0666;
+
+ return NULL;
+}
+
int kfd_chardev_init(void)
{
int err = 0;
@@ -76,6 +84,8 @@ int kfd_chardev_init(void)
if (IS_ERR(kfd_class))
goto err_class_create;
+ kfd_class->devnode = kfd_devnode;
+
kfd_device = device_create(kfd_class, NULL,
MKDEV(kfd_char_dev_major, 0),
NULL, kfd_dev_name);
--
2.7.4
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