[PATCH] opp: core: Fix off by one in dev_pm_opp_get_bw()
From: Dan Carpenter
Date: Sat Nov 30 2024 - 05:08:10 EST
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: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/opp/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index d4a0030a0228..09a1432561f6 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -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)
--
2.45.2