Add the missing unlock before return from function wmi_ioctl()
in the error handling case.
Fixes: 44b6b7661132 ("platform/x86: wmi: create userspace interface for drivers")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
drivers/platform/x86/wmi.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 8c31ed4..791449a 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -868,8 +868,10 @@ static long wmi_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
/* let the driver do any filtering and do the call */
wdriver = container_of(wblock->dev.dev.driver,
struct wmi_driver, driver);
- if (!try_module_get(wdriver->driver.owner))
- return -EBUSY;
+ if (!try_module_get(wdriver->driver.owner)) {
+ ret = -EBUSY;
+ goto out_ioctl;
+ }
ret = wdriver->filter_callback(&wblock->dev, cmd, buf);
module_put(wdriver->driver.owner);
if (ret)
