From: Xiaoke Wang <xkernel.wang@xxxxxxxxxxx> All the error handlers of wfx_init_common() return without calling ieee80211_free_hw(hw), which may result in memory leak. So I add one err label to unify the error handlers. Suggested-by: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx> Signed-off-by: Xiaoke Wang <xkernel.wang@xxxxxxxxxxx> --- drivers/staging/wfx/main.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/staging/wfx/main.c b/drivers/staging/wfx/main.c index 4b9fdf9..f83df9f 100644 --- a/drivers/staging/wfx/main.c +++ b/drivers/staging/wfx/main.c @@ -309,7 +309,8 @@ 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 NULL; + goto err; + if (wdev->pdata.gpio_wakeup) gpiod_set_consumer_name(wdev->pdata.gpio_wakeup, "wfx wakeup"); @@ -325,9 +326,13 @@ struct wfx_dev *wfx_init_common(struct device *dev, wdev->force_ps_timeout = -1; if (devm_add_action_or_reset(dev, wfx_free_common, wdev)) - return NULL; + goto err; return wdev; + +err: + ieee80211_free_hw(hw); + return NULL; } int wfx_probe(struct wfx_dev *wdev) --