From: Colin Ian King Date: Tue, 26 Jun 2018 16:03:54 +0000 (+0100) Subject: drm/panel: ili9881c: Fix missing assignment to error return ret X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3d5664f95ebe264c16f3ebfadce9eee6fee9acf7;p=openwrt%2Fstaging%2Fblogic.git drm/panel: ili9881c: Fix missing assignment to error return ret Currently, ret is being checked for an error condition however it is not being assigned in the previous statement on the call of function mipi_dsi_dcs_exit_sleep_mode. Add in the missing assignment of ret. Detected by CoverityScan, CID#1470174, 1470178 ("Unchecked return value") Fixes: 26aec25593c2 ("drm/panel: Add Ilitek ILI9881c panel driver") Signed-off-by: Colin Ian King Signed-off-by: Thierry Reding Link: https://patchwork.freedesktop.org/patch/msgid/20180626160354.1363-1-colin.king@canonical.com --- diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index e848af235df5..3ad4a46c4e94 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -334,7 +334,7 @@ static int ili9881c_prepare(struct drm_panel *panel) if (ret) return ret; - mipi_dsi_dcs_exit_sleep_mode(ctx->dsi); + ret = mipi_dsi_dcs_exit_sleep_mode(ctx->dsi); if (ret) return ret;