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authorAntti Palosaari <crope@iki.fi>2019-08-17 03:12:10 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-12-26 16:02:45 +0100
commit7730b2f41cefdefeb8837257fc7d69cb583195cd (patch)
tree09fccc1e6dfc7bc9db7572f743ada92363ee30f3 /drivers/media
parentf5d4e47871c879d720c7b1855249f8955de243de (diff)
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 <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/usb/msi2500/msi2500.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c
index 65be6f140fe8..1c60dfb647e5 100644
--- a/drivers/media/usb/msi2500/msi2500.c
+++ b/drivers/media/usb/msi2500/msi2500.c
@@ -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);