From 97438abcfb80656d4aedaca21b8ff8db4fcc93a1 Mon Sep 17 00:00:00 2001 From: Pan Bian Date: Sun, 12 Nov 2017 23:38:09 +0800 Subject: net: dsa: lan9303: correctly check return value of devm_gpiod_get_optional Function devm_gpiod_get_optional() returns an ERR_PTR on failure. Its return value should not be validated by a NULL check. Instead, use IS_ERR. Signed-off-by: Pan Bian Reviewed-by: Andrew Lunn Signed-off-by: David S. Miller --- drivers/net/dsa/lan9303-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/dsa/lan9303-core.c') diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index fdfdb0edfe62..b24566bb74d2 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -1301,7 +1301,7 @@ static void lan9303_probe_reset_gpio(struct lan9303 *chip, chip->reset_gpio = devm_gpiod_get_optional(chip->dev, "reset", GPIOD_OUT_LOW); - if (!chip->reset_gpio) { + if (IS_ERR(chip->reset_gpio)) { dev_dbg(chip->dev, "No reset GPIO defined\n"); return; } -- cgit