Add error handling for sq905c_command() failure in sq905c_dostream().
Log debug message with gspca_dbg() to prevent silent failure.
Signed-off-by: Wentao Liang <vulab@xxxxxxxxxxx>
---
drivers/media/usb/gspca/sq905c.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/media/usb/gspca/sq905c.c b/drivers/media/usb/gspca/sq905c.c
index 6ca947aef298..7bb6b24c3ed1 100644
--- a/drivers/media/usb/gspca/sq905c.c
+++ b/drivers/media/usb/gspca/sq905c.c
@@ -183,7 +183,9 @@ static void sq905c_dostream(struct work_struct *work)
quit_stream:
if (gspca_dev->present) {
mutex_lock(&gspca_dev->usb_lock);
- sq905c_command(gspca_dev, SQ905C_CLEAR, 0);
+ ret = sq905c_command(gspca_dev, SQ905C_CLEAR, 0);
+ if (ret)
+ gspca_dbg(gspca_dev, D_STREAM, "Clear command failed\n");
mutex_unlock(&gspca_dev->usb_lock);
}
kfree(buffer);
--
2.42.0.windows.2
