From: Antti Palosaari Date: Sat, 17 Aug 2019 01:12:10 +0000 (+0200) Subject: media: msi2500: assign SPI bus number dynamically X-Git-Tag: v4.4.249~101 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1a32b88ae7825dc7a5fc649de680dd8e34634de;p=thirdparty%2Fkernel%2Fstable.git media: msi2500: assign SPI bus number dynamically 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 Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c index e06a21a4fbd9a..322238d9aa713 100644 --- a/drivers/media/usb/msi2500/msi2500.c +++ b/drivers/media/usb/msi2500/msi2500.c @@ -1254,7 +1254,7 @@ 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);