Messages in this thread Patch in this message | | | From | Pavel Skripkin <> | Subject | [PATCH] media: usb: fix uninit-value in sq905_read_data | Date | Thu, 11 Mar 2021 18:20:16 +0300 |
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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 --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) -- 2.25.1
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