Commit 95011f26 authored by Su Hui's avatar Su Hui Committed by Douglas Anderson
Browse files

drm/bridge: ti-sn65dsi86: Avoid possible buffer overflow 



Smatch error:buffer overflow 'ti_sn_bridge_refclk_lut' 5 <= 5.

Fixes: cea86c5b ("drm/bridge: ti-sn65dsi86: Implement the pwm_chip")
Signed-off-by: default avatarSu Hui <suhui@nfschina.com>
Reviewed-by: default avatarDouglas Anderson <dianders@chromium.org>
Signed-off-by: default avatarDouglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230608012443.839372-1-suhui@nfschina.com
parent 11d24327

drivers/gpu/drm/bridge/ti-sn65dsi86.c

+4 −0
Original line number Diff line number Diff line
@@ -298,6 +298,10 @@ static void ti_sn_bridge_set_refclk_freq(struct ti_sn65dsi86 *pdata) 
		if (refclk_lut[i] == refclk_rate)

			break;



	/* avoid buffer overflow and "1" is the default rate in the datasheet. */

	if (i >= refclk_lut_size)

		i = 1;



	regmap_update_bits(pdata->regmap, SN_DPPLL_SRC_REG, REFCLK_FREQ_MASK,

			   REFCLK_FREQ(i));