From: Jia-Ju Bai <baijiaju1...@163.com> Date: Wed, 31 May 2017 09:40:11 +0800
> The driver may sleep under a spin lock, the function call path is: > isdn_ppp_mp_receive (acquire the lock) > isdn_ppp_mp_reassembly > isdn_ppp_push_higher > isdn_ppp_decompress > isdn_ppp_ccp_reset_trans > isdn_ppp_ccp_reset_alloc_state > kzalloc(GFP_KERNEL) --> may sleep > > To fixed it, the "GFP_KERNEL" is replaced with "GFP_ATOMIC". > > Signed-off-by: Jia-Ju Bai <baijiaju1...@163.com> Applied.
