Commit f2ddf340 authored May 06, 2020 by Stephen Dickey

devfreq: memlat: correct null pointer derference



alloc_attr() might return NULL on memory allocation
failure which would lead to NULL pointer
de-reference, fix it by adding NULL check.

Change-Id: Iec7fee76a29c85355142a8bb475e2416807debd5
Signed-off-by: Stephen Dickey <dickey@codeaurora.org>

parent a65504bf

drivers/devfreq/arm-memlat-mon.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -366,6 +366,9 @@ static int memlat_hp_restart_events(unsigned int cpu, bool cpu_up)
		unsigned int idx;
		struct event_data *common_evs;

		if (!attr)
		return -ENOMEM;

		if (!cpu_grp)
		goto exit;