Dear all: I am doing porting task for our company wireless NIC driver from 2.4.x to 2.6.x. I got a problem about the surprise remove after loading driver successfully. The system was crashed and halted, when plug out the NIC without typing" rmmod xxx". However, if plugging out NIC after typing" rmmod xxx ". It was ok. On the hand, I also tried to mark the code of interrupt endpoint to submit interrupt urb. The problem disappeared and I saw the system tried to call disconnect function in our driver. Therefore, I doubt the USB core doesn't support surprise remove for interrupt endpoint. Can any one give me any suggestion or advice to solve this problem?
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