leds: qpnp-flash-common: Fix possible null pointer dereference



Currently, there is no null check before using led_cdev.
Add a NULL pointer check before dereferencing it.

Change-Id: I4121be7511c299abbbda4de4de90f9d0a9168e15
Signed-off-by: Kavya Nunna <knunna@codeaurora.org>

parent 82e0a0f5

drivers/leds/leds-qpnp-flash-common.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,9 @@ int qpnp_flash_led_prepare(struct led_trigger *trig, int options,
		int rc = -ENODEV;

		led_cdev = trigger_to_lcdev(trig);
		if (!led_cdev)
		return rc;

		list_for_each_entry(flash_data, &flash_common_data, link) {
		if (led_cdev->dev->parent == flash_data->dev)
		rc = flash_data->func(trig, options, max_current);