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Commit 3cfd68b5 authored by gaurav jindal's avatar gaurav jindal Committed by Rafael J. Wysocki
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cpuidle: Avoid NULL argument in cpuidle_switch_governor() 



Checks if the new governor is NULL before updating the
cupidle_curr_governor.

Signed-off-by: default avatargaurav jindal <gauravjindal1104@gmail.com>
[ rjw : Subject ]
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 30a7acd5

drivers/cpuidle/governor.c

+3 −2
Original line number Diff line number Diff line
@@ -36,14 +36,15 @@ static struct cpuidle_governor * __cpuidle_find_governor(const char *str) 
/**

 * cpuidle_switch_governor - changes the governor

 * @gov: the new target governor

 *

 * NOTE: "gov" can be NULL to specify disabled

 * Must be called with cpuidle_lock acquired.

 */

int cpuidle_switch_governor(struct cpuidle_governor *gov)

{

	struct cpuidle_device *dev;



	if (!gov)

		return -EINVAL;



	if (gov == cpuidle_curr_governor)

		return 0;