Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0c89843a authored by Jordan Crouse's avatar Jordan Crouse
Browse files

msm: kgsl: Avoid a possible pointer deference in __force_on_show 



Make sure the device pointer is a thing before using it in
__force_on_show().

Change-Id: Ic0dedbad2e47f3bfb22daf43a910ab886200c03c
Signed-off-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
parent ef5115f7

drivers/gpu/msm/kgsl_pwrctrl.c

+2 −2
Original line number Diff line number Diff line
@@ -648,10 +648,10 @@ static ssize_t __force_on_show(struct device *dev, 
					char *buf, int flag)

{

	struct kgsl_device *device = kgsl_device_from_dev(dev);

	int i = test_bit(flag, &device->pwrctrl.ctrl_flags);

	if (device == NULL)

		return 0;

	return snprintf(buf, PAGE_SIZE, "%d\n", i);

	return snprintf(buf, PAGE_SIZE, "%d\n",

		test_bit(flag, &device->pwrctrl.ctrl_flags));

}



static ssize_t __force_on_store(struct device *dev,