diff mbox series

media: usb: fix uninit-value in sq905_read_data

Message ID 20210311152016.171506-1-paskripkin@gmail.com (mailing list archive)
State New, archived
Headers show
Series media: usb: fix uninit-value in sq905_read_data | expand

Commit Message

Pavel Skripkin March 11, 2021, 3:20 p.m. UTC 
sybot reported uninit value in sq905_read_data().
The problem was in the error conditions in usb_bulk_msg()
before act_len initialization.

Reported-by: syzbot+a4e309017a5f3a24c7b3@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
---
 drivers/media/usb/gspca/sq905.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/media/usb/gspca/sq905.c b/drivers/media/usb/gspca/sq905.c
index 97799cfb832e..949111070971 100644
--- a/drivers/media/usb/gspca/sq905.c
+++ b/drivers/media/usb/gspca/sq905.c
@@ -158,7 +158,7 @@  static int
 sq905_read_data(struct gspca_dev *gspca_dev, u8 *data, int size, int need_lock)
 {
 	int ret;
-	int act_len;
+	int act_len = 0;
 
 	gspca_dev->usb_buf[0] = '\0';
 	if (need_lock)