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media: msi2500: assign SPI bus number dynamically 

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>
This commit is contained in:
Antti Palosaari 2019-08-17 03:12:10 +02:00 committed by Mauro Carvalho Chehab
parent 3ec7fdc583
commit 9c60cc797c
1 changed files with 1 additions and 1 deletions
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2
drivers/media/usb/msi2500/msi2500.c
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@ -1230,7 +1230,7 @@ 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);