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USB: gadgetfs, dummy-hcd, net2280: fix locking for callbacks
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
parport
/
share.c
diff --git
a/drivers/parport/share.c
b/drivers/parport/share.c
index 5ce5ef211bdbdf575752e150edc6e26cc683e82d..754f21fd976893717fdd494d4b00103a27f46123 100644
(file)
--- a/
drivers/parport/share.c
+++ b/
drivers/parport/share.c
@@
-936,8
+936,10
@@
parport_register_dev_model(struct parport *port, const char *name,
* pardevice fields. -arca
*/
port->ops->init_state(par_dev, par_dev->state);
* pardevice fields. -arca
*/
port->ops->init_state(par_dev, par_dev->state);
- port->proc_device = par_dev;
- parport_device_proc_register(par_dev);
+ if (!test_and_set_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags)) {
+ port->proc_device = par_dev;
+ parport_device_proc_register(par_dev);
+ }
return par_dev;
return par_dev;