• Huang Rui's avatar
    drm/amdkfd: fix the missed asic name while inited renoir_device_info · acb9acbe
    Huang Rui authored
    This patch fixes null pointer issue below, I missed to init the asic renior name
    while I rebase the patches.
    
    [  106.004250] BUG: kernel NULL pointer dereference, address: 0000000000000000
    [  106.004254] #PF: supervisor read access in kernel mode
    [  106.004256] #PF: error_code(0x0000) - not-present page
    [  106.004257] PGD 0 P4D 0
    [  106.004261] Oops: 0000 [#1] SMP NOPTI
    [  106.004264] CPU: 3 PID: 1422 Comm: modprobe Not tainted 5.2.0-rc1-custom #1
    [  106.004266] Hardware name: AMD Celadon-RN/Celadon-RN, BIOS
    WCD9814N_Weekly_19_08_1 08/14/2019
    [  106.004272] RIP: 0010:strncpy+0x12/0x30
    [  106.004274] Code: c1 c0 11 48 c1 c6 15 48 31 d0 48 c1 c2 20 31 c2 89 d0 31 f0
    41 5c 5d c3 55 48 85 d2 48 89 f8 48 89 e5 74 1e 48 01 fa 48 89 f9 <44> 0f b6 06
    41 80 f8 01 44 88 01 48 83 de ff 48 83 c1 01 48 39 d1
    [  106.004278] RSP: 0018:ffffc092c1fd37a8 EFLAGS: 00010286
    [  106.004281] RAX: ffff9e943466a28c RBX: 00000000000036ed RCX: ffff9e943466a28c
    [  106.004283] RDX: ffff9e943466a2ac RSI: 0000000000000000 RDI: ffff9e943466a28c
    [  106.004285] RBP: ffffc092c1fd37a8 R08: ffff9e943d100000 R09: 0000000000000228
    [  106.004287] R10: ffff9e94418dc5a8 R11: ffff9e944746c0d0 R12: 0000000000000000
    [  106.004289] R13: ffff9e943fa1ec00 R14: ffff9e943466a200 R15: ffff9e943466a200
    [  106.004291] FS:  00007f7a022c5540(0000) GS:ffff9e9447ac0000(0000)
    knlGS:0000000000000000
    [  106.004294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    [  106.004296] CR2: 0000000000000000 CR3: 00000001ff0b0000 CR4: 0000000000340ee0
    [  106.004298] Call Trace:
    [  106.004382]  kfd_topology_add_device+0x150/0x610 [amdgpu]
    [  106.004445]  kgd2kfd_device_init+0x2e0/0x4f0 [amdgpu]
    [  106.004509]  amdgpu_amdkfd_device_init+0x14c/0x1b0 [amdgpu]
    Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
    Reviewed-and-Tested-by: default avatarAaron Liu <aaron.liu@amd.com>
    Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
    acb9acbe
kfd_device.c 29.7 KB