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[PATCH 4/8] staging: wfx: wfx_init_common() returns NULL on error

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From: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx>

Smatch complains:

    bus_spi.c:228 wfx_spi_probe() warn: 'bus->core' could be an error pointer
    bus_sdio.c:221 wfx_sdio_probe() warn: 'bus->core' could be an error pointer

bus->core contains the result of wfx_init_common(). With this patch,
wfx_init_common() returns a valid pointer or NULL.

Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx>
---
 drivers/staging/wfx/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/wfx/main.c b/drivers/staging/wfx/main.c
index a8dc2c033410..e7bc1988124a 100644
--- a/drivers/staging/wfx/main.c
+++ b/drivers/staging/wfx/main.c
@@ -309,7 +309,7 @@ struct wfx_dev *wfx_init_common(struct device *dev,
 	wdev->pdata.gpio_wakeup = devm_gpiod_get_optional(dev, "wakeup",
 							  GPIOD_OUT_LOW);
 	if (IS_ERR(wdev->pdata.gpio_wakeup))
-		return ERR_CAST(wdev->pdata.gpio_wakeup);
+		return NULL;
 	if (wdev->pdata.gpio_wakeup)
 		gpiod_set_consumer_name(wdev->pdata.gpio_wakeup, "wfx wakeup");
 
-- 
2.28.0





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