From: Yann Droneaud <ydrone...@opteya.com>
usb-serial-simple uses an unknown stringify macro that make
all drivers being named "stringify(vendor)".
This can be a problem when two drivers have the same (wrong) name:
kernel: usbcore: registered new interface driver usb_serial_simple
kernel: usbserial: USB Serial support registered for stringify(vendor)
kernel Error: Driver 'stringify(vendor)' is already registered, aborting...
kernel: usbserial: problem -16 when registering driver stringify(vendor)
kernel: usbserial: USB Serial deregistering driver stringify(vendor)
kernel: usbcore: deregistering interface driver usb_serial_simple
Before the fix:
$ strings drivers/usb/serial/usb-serial-simple.o
usb_serial_simple
stringify(vendor)
After the fix:
$ strings drivers/usb/serial/usb-serial-simple.o
usb_serial_simple
funsoft
flashloader
vivopay
moto_modem
hp4x
suunto
siemens_mpi
This patch makes usb-serial-simple use the correct stringify operator.
Signed-off-by: Yann Droneaud <ydrone...@opteya.com>
---
drivers/usb/serial/usb-serial-simple.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/serial/usb-serial-simple.c
b/drivers/usb/serial/usb-serial-simple.c
index 6a06131..677c08c 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -29,7 +29,7 @@ static const struct usb_device_id vendor##_id_table[] = {
\
static struct usb_serial_driver vendor##_device = { \
.driver = { \
.owner = THIS_MODULE, \
- .name = "stringify(vendor)", \
+ .name = #vendor, \
}, \
.id_table = vendor##_id_table, \
.num_ports = 1, \
--
1.8.1.4
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