diff options
| author | Antti Palosaari <crope@iki.fi> | 2019-08-17 03:12:10 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-29 13:46:50 +0100 |
| commit | 37e7d9aa24bd40c62062df0fa1a0a2f245519d96 (patch) | |
| tree | b604d320adf7f23b44dd8a67a21c990f911aefc0 /drivers | |
| parent | a9c625fcddc078624e1e7a673443b29c71be3431 (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')
| -rw-r--r-- | drivers/media/usb/msi2500/msi2500.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c index a097d3dbc141..9ca5e0c101b6 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); |