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media: af9005: uninitialized variable printked 

commit 51d0c99b39 upstream.

If usb_bulk_msg() fails, actual_length can be uninitialized.

Reported-by: syzbot+9d42b7773d2fecd983ab@syzkaller.appspotmail.com
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Sean Young 2019-11-10 11:15:37 +01:00 committed by Greg Kroah-Hartman
parent 5b256eea1a
commit 0c7cc4c9c2
1 changed files with 1 additions and 1 deletions
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2
drivers/media/usb/dvb-usb/af9005.c
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@ -554,7 +554,7 @@ static int af9005_boot_packet(struct usb_device *udev, int type, u8 *reply,
u8 *buf, int size)
{
u16 checksum;
int act_len, i, ret;
int act_len = 0, i, ret;
memset(buf, 0, size);
buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff);