Hi,
On 19-10-15 17:24, Insu Yun wrote:
Since thread creation can be failed, check return value of
kthread_create and handle an error.
Signed-off-by: Insu Yun <wuni...@gmail.com>
---
drivers/media/usb/gspca/m5602/m5602_s5k83a.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/media/usb/gspca/m5602/m5602_s5k83a.c
b/drivers/media/usb/gspca/m5602/m5602_s5k83a.c
index bf6b215..76b40d1 100644
--- a/drivers/media/usb/gspca/m5602/m5602_s5k83a.c
+++ b/drivers/media/usb/gspca/m5602/m5602_s5k83a.c
@@ -221,6 +221,10 @@ int s5k83a_start(struct sd *sd)
to assume that there is no better way of accomplishing this */
sd->rotation_thread = kthread_create(rotation_thread_function,
sd, "rotation thread");
+ if (IS_ERR(sd->rotation_thread)) {
+ err = PTR_ERR(sd->rotation_thread);
+ goto fail;
+ }
There is no need to use a goto here you can simply directly return
the error.
wake_up_process(sd->rotation_thread);
/* Preinit the sensor */
@@ -234,9 +238,11 @@ int s5k83a_start(struct sd *sd)
data[0]);
}
if (err < 0)
- return err;
+ goto fail;
No need for introducing a goto here either.
return s5k83a_set_led_indication(sd, 1);
+fail:
+ return err;
}
int s5k83a_stop(struct sd *sd)
Regards,
Hans
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