4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> [ Upstream commit ec5ab8933772c87f24ad62a4a602fe8949f423c2 ] devm_pinctrl_get() returns error pointers, it never returns NULL. Fixes: 455e5cd6f736 ("mmc: omap_hsmmc: Pin remux workaround to support SDIO interrupt on AM335x") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Reviewed-by: Kishon Vijay Abraham I <kishon@xxxxxx> Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/mmc/host/omap_hsmmc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1762,8 +1762,8 @@ static int omap_hsmmc_configure_wake_irq */ if (host->pdata->controller_flags & OMAP_HSMMC_SWAKEUP_MISSING) { struct pinctrl *p = devm_pinctrl_get(host->dev); - if (!p) { - ret = -ENODEV; + if (IS_ERR(p)) { + ret = PTR_ERR(p); goto err_free_irq; } if (IS_ERR(pinctrl_lookup_state(p, PINCTRL_STATE_DEFAULT))) {