From: Andres Rodriguez <andres.rodriguez@xxxxxxx>
Set the default permissions of /dev/kfd to be more than just root
accessible 600.
Signed-off-by: Andres Rodriguez <andres.rodriguez at amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling at 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 e4a8c2e..1ad9901 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -55,6 +55,14 @@ 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;
@@ -69,6 +77,8 @@ 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
