Am Montag, den 28.05.2018, 10:59 +0000 schrieb guido@kiener- muenchen.de: > > No, the problem is that you will underflow io->mutex > > > > Don't worry. The function usbtmc488_ioctl_wait_srq is called by > usbtmc_ioctl which already locks the mutex. See > https://elixir.bootlin.com/linux/v4.17-rc7/source/drivers/usb/class/usbtmc.c#L1189 > So the mutex is just unlocked here to allow other threads to still communicate > with the device. Hi, thanks I had overlooked that. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
