From: Antti Palosaari Date: Sat, 17 Aug 2019 01:12:10 +0000 (+0200) Subject: media: msi2500: assign SPI bus number dynamically X-Git-Tag: v4.14.213~180 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=37e7d9aa24bd40c62062df0fa1a0a2f245519d96;p=users%2Fdwmw2%2Flinux.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 a097d3dbc141f..9ca5e0c101b67 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);