使用/dev/video0造成系统崩溃

[jinxiangwzh]

open("/dev/video0", O_RDWR, 0)之后，线程退出，就会造成系统崩溃，直接cat /dev/video0也会崩溃，发生崩溃的都是一个位置vin_close+0x51/0x130，请问这是VIN驱动问题吗？

使用的是V536 tina linux。

[   19.686005] Unable to handle kernel NULL pointer dereference at virtual address 00000040
[   19.698177] pgd = d6b54000
[   19.701219] [00000040] *pgd=7fc0c835
[   19.705246] Internal error: Oops - BUG: 17 [#1] PREEMPT SMP THUMB2
[   19.712188] Modules linked in: vin_v4l2 imx317_mipi vin_io videobuf2_v4l2 videobuf2_dma_contig videobuf2_memops videobuf2_core bcmdhd
[   19.725742] CPU: 1 PID: 857 Comm: cat Not tainted 4.9.118 #8
[   19.732098] Hardware name: sun8iw16
[   19.736018] task: d72b1c80 task.stack: d6a74000
[   19.741262] PC is at vin_close+0x51/0x130 [vin_v4l2]
[   19.746933] LR is at vin_close+0x4e/0x130 [vin_v4l2]
[   19.752516] pc : [<bf8d76ea>]    lr : [<bf8d76e7>]    psr: 60000033
[   19.752516] sp : d6a75f30  ip : 00000000  fp : d6940f08
[   19.765418] r10: d697b108  r9 : d71f1a10  r8 : 00000000
[   19.771288] r7 : d6940f00  r6 : d68fa100  r5 : 00000001  r4 : d73f6000
[   19.778625] r3 : d72b1c80  r2 : 00000000  r1 : 00000000  r0 : d68faf60
[   19.785962] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA Thumb  Segment none
[   19.794176] Control: 50c5387d  Table: 56b5406a  DAC: 00000051
[   19.800631]
[   19.800631] SP: 0xd6a75eb0: