From: Antti Palosaari <crope@iki.fi> commit 9c60cc797cf72e95bb39f32316e9f0e5f85435f9 upstream. SPI bus number must be assigned dynamically for each device, otherwise it will crash when multiple devices are plugged to system. Reported-and-tested-by: syzbot+c60ddb60b685777d9d59@syzkaller.appspotmail.com Cc: stable@vger.kernel.org Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/media/usb/msi2500/msi2500.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c index 65ef755adfdc..b2adde978c9b 100644 --- a/drivers/media/usb/msi2500/msi2500.c +++ b/drivers/media/usb/msi2500/msi2500.c @@ -1250,7 +1250,7 @@ static int msi2500_probe(struct usb_interface *intf, } dev->master = master; - master->bus_num = 0; + master->bus_num = -1; master->num_chipselect = 1; master->transfer_one_message = msi2500_transfer_one_message; spi_master_set_devdata(master, dev); -- 2.25.1