Commit 402074f0 authored by Dan Carpenter's avatar Dan Carpenter Committed by Viresh Kumar
Browse files

opp: core: Fix off by one in dev_pm_opp_get_bw() 



The "opp->bandwidth" array has "opp->opp_table->path_count" number of
elements.  It's allocated in _opp_allocate().  So this > needs to be >=
to prevent an out of bounds access.

Fixes: d78653dcd8bf ("opp: core: implement dev_pm_opp_get_bw")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
parent b89c0ed0

drivers/opp/core.c

+1 −1
Original line number Diff line number Diff line
@@ -121,7 +121,7 @@ unsigned long dev_pm_opp_get_bw(struct dev_pm_opp *opp, bool peak, int index) 
		return 0;

	}



	if (index > opp->opp_table->path_count)

	if (index >= opp->opp_table->path_count)

		return 0;



	if (!opp->bandwidth)