[PATCH 3.18 16/92] isdn: Fix a sleep-in-atomic bug

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Jia-Ju Bai commit e8f4ae85439f34bec3b0ab69223a41809dab28c9 upstream. The driver may sleep under a spin lock, the function call path is: isdn_ppp_mp_receive (acquire the

[PATCH 3.18 16/92] isdn: Fix a sleep-in-atomic bug

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Jia-Ju Bai commit e8f4ae85439f34bec3b0ab69223a41809dab28c9 upstream. The driver may sleep under a spin lock, the function call path is: isdn_ppp_mp_receive (acquire the lock)