From: Xiaoke Wang xkernel.wang@foxmail.com
[ Upstream commit 60f1d3c92dc1ef1026e5b917a329a7fa947da036 ]
One error handler of wfx_init_common() return without calling ieee80211_free_hw(hw), which may result in memory leak. And I add one err label to unify the error handler, which is useful for the subsequent changes.
Suggested-by: Jérôme Pouiller jerome.pouiller@silabs.com Reviewed-by: Dan Carpenter dan.carpenter@oracle.com Reviewed-by: Jérôme Pouiller jerome.pouiller@silabs.com Signed-off-by: Xiaoke Wang xkernel.wang@foxmail.com Link: https://lore.kernel.org/r/tencent_24A24A3EFF61206ECCC4B94B1C5C1454E108@qq.co... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/staging/wfx/main.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/wfx/main.c b/drivers/staging/wfx/main.c index 4b9fdf99981b..9ff69c5e0ae9 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");
@@ -328,6 +329,10 @@ struct wfx_dev *wfx_init_common(struct device *dev, return NULL;
return wdev; + +err: + ieee80211_free_hw(hw); + return NULL; }
int wfx_probe(struct wfx_dev *wdev)