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media: af9005: uninitialized variable printked

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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>
This commit is contained in:
Sean Young
2020-02-05 13:05:46 +00:00
committed by Greg Kroah-Hartman
parent a256659b18
commit 4ea1db88b3
1 changed files with 1 additions and 1 deletions
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drivers/media/usb/dvb-usb/af9005.c
+1 -1
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@@ -567,7 +567,7 @@ 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);