drm/amd/display: Fix incorrect size calculation for loop

[WHY]
fe_clk_en has size of 5 but sizeof(fe_clk_en) has byte size 20 which is
lager than the array size.

[HOW]
Divide byte size 20 by its element size.

This fixes 2 OVERRUN issues reported by Coverity.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Hung
2024-04-19 20:23:36 -06:00
committed by Alex Deucher
parent cf8b16857d
commit 3941a3aa4b
@@ -904,7 +904,7 @@ static uint8_t dccg35_get_other_enabled_symclk_fe(struct dccg *dccg, uint32_t st
/* for DPMST, this backend could be used by multiple front end.
only disable the backend if this stream_enc_ins is the last active stream enc connected to this back_end*/
uint8_t i;
for (i = 0; i != link_enc_inst && i < sizeof(fe_clk_en); i++) {
for (i = 0; i != link_enc_inst && i < ARRAY_SIZE(fe_clk_en); i++) {
if (fe_clk_en[i] && be_clk_sel[i] == link_enc_inst)
num_enabled_symclk_fe++;
}