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media: b2c2-flexcop-usb: add sanity checking
authorOliver Neukum <oneukum@suse.com>
Tue, 30 Jul 2019 07:48:27 +0000 (09:48 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Nov 2019 09:10:16 +0000 (10:10 +0100)
commitacfcb05fbdb8ee3aad4359372c1b238a366b5355
treee617f4f6b1ffc7d1fac15c3c931b1e9c246c632dtree | snapshot
parentfc12e3da6ac8d8ff7869ac1d40baeca1312808ebcommit | diff
media: b2c2-flexcop-usb: add sanity checking

commit 1b976fc6d684e3282914cdbe7a8d68fdce19095c upstream.

The driver needs an isochronous endpoint to be present. It will
oops in its absence. Add checking for it.

Reported-by: syzbot+d93dff37e6a89431c158@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/media/usb/b2c2/flexcop-usb.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git