From: Yuanjun Gong Date: Wed, 26 Jul 2023 17:05:06 +0000 (+0800) Subject: net: dsa: fix value check in bcm_sf2_sw_probe() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=dadc5b86cc9459581f37fe755b431adc399ea393;p=linux.git net: dsa: fix value check in bcm_sf2_sw_probe() in bcm_sf2_sw_probe(), check the return value of clk_prepare_enable() and return the error code if clk_prepare_enable() returns an unexpected value. Fixes: e9ec5c3bd238 ("net: dsa: bcm_sf2: request and handle clocks") Signed-off-by: Yuanjun Gong Reviewed-by: Florian Fainelli Link: https://lore.kernel.org/r/20230726170506.16547-1-ruc_gongyuanjun@163.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index cde253d27bd08..72374b066f64a 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -1436,7 +1436,9 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev) if (IS_ERR(priv->clk)) return PTR_ERR(priv->clk); - clk_prepare_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; priv->clk_mdiv = devm_clk_get_optional(&pdev->dev, "sw_switch_mdiv"); if (IS_ERR(priv->clk_mdiv)) { @@ -1444,7 +1446,9 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev) goto out_clk; } - clk_prepare_enable(priv->clk_mdiv); + ret = clk_prepare_enable(priv->clk_mdiv); + if (ret) + goto out_clk; ret = bcm_sf2_sw_rst(priv); if (ret) {