On 31/10/2023 10:53, Konrad Dybcio wrote:
+
+ if (res->pd_name) {
No need to nullcheck, dev_pm_domain_attach_by_name seems to return
NULL when the name is NULL
So I tried removing the NULL check and of_property_match_string chokes
[ 9.303798] msm_vfe_subdev_init/1386 camss->dev 000000004c790a88
res->pd_name ife0
[ 9.317650] msm_vfe_subdev_init/1386 camss->dev 000000004c790a88
res->pd_name ife1
[ 9.328085] msm_vfe_subdev_init/1386 camss->dev 000000004c790a88
res->pd_name (null)
[ 9.330602] lt9611uxc 5-002b: LT9611 revision: 0x17.04.93
[ 9.336128] Unable to handle kernel NULL pointer dereference at
virtual address 0000000000000000
[ 9.350861] Mem abort info:
[ 9.353751] ESR = 0x0000000096000004
[ 9.357617] EC = 0x25: DABT (current EL), IL = 32 bits
[ 9.363083] SET = 0, FnV = 0
[ 9.366231] EA = 0, S1PTW = 0
[ 9.368917] remoteproc remoteproc1: powering up 17300000.remoteproc
[ 9.369463] FSC = 0x04: level 0 translation fault
[ 9.380922] Data abort info:
[ 9.383919] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
[ 9.389579] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[ 9.394775] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[ 9.395986] remoteproc remoteproc1: Booting fw image
qcom/sm8250/adsp.mbn, size 15515796
[ 9.400187] ax88179_178a 2-1.1:1.0 eth0: register 'ax88179_178a' at
usb-xhci-hcd.0.auto-1.1, ASIX AX88179 USB 3.0 Gigabit Ethernet,
00:0e:c6:81:79:01
[ 9.400237] user pgtable: 4k pages, 48-bit VAs, pgdp=00000001067b2000
[ 9.400239] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000
[ 9.400242] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
[ 9.400243] Modules linked in: venus_enc venus_dec
videobuf2_dma_contig qcom_camss(+) fastrpc qrtr_smd venus_core imx412
videobuf2_dma_sg mcp251xfd msm v4l2_fwnode v4l2_mem2mem videc
[ 9.409624] lt9611uxc 5-002b: LT9611 version: 0x43
[ 9.422292] snd_soc_sm8250 qcom_spmi_adc_tm5 qcom_spmi_adc5
videobuf2_common xhci_plat_hcd drm_dp_aux_bus snd_soc_qcom_sdw xhci_hcd
crct10dif_ce qrtr rtc_pm8xxx qcom_vadc_common qcs
[ 9.492865] lt9611uxc 5-002b: failed to find dsi host
[ 9.529472] CPU: 7 PID: 205 Comm: (udev-worker) Not tainted
6.6.0-rc3-00380-g7b823ffc4ec0-dirty #1
[ 9.529474] Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)
[ 9.529475] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS
BTYPE=--)
[ 9.529477] pc : __pi_strcmp+0x24/0x140
[ 9.529482] lr : of_property_match_string+0x6c/0x130
[ 9.536672] msm_dsi ae94000.dsi: supply refgen not found, using dummy
regulator
[ 9.543865] sp : ffff800080d8b6d0
[ 9.543866] x29: ffff800080d8b6d0 x28: ffffd06ec3419ef8 x27:
ffff12a54b8660a0
[ 9.543868] x26: 0000000000000000 x25: ffffd06f3cca22b0 x24:
ffffd06f3d8e2798
[ 9.543870] x23: 0000000000000000 x22: 0000000000000000 x21:
fffffbfffde0e590
[ 9.599837] x20: fffffbfffde0e59e x19: fffffbfffde0e595 x18:
ffffffffffffffff
[ 9.607171] x17: 6d616e5f64703e2d x16: ffffd06f3bc66bc4 x15:
3937633430303030
[ 9.614503] x14: ffffffffffffffff x13: 0000000000000020 x12:
0101010101010101
[ 9.621839] x11: 7f7f7f7f7f7f7f7f x10: fffffbfffde0e590 x9 :
7f7f7f7f7f7f7f7f
[ 9.629174] x8 : 0101010101010101 x7 : 0000000080000000 x6 :
0000000000000000
[ 9.636507] x5 : 6f63710000000000 x4 : 000000706f740031 x3 :
6566760030656676
[ 9.643840] x2 : fffffbfffde0e5a0 x1 : fffffbfffde0e590 x0 :
0000000000000000
[ 9.651174] Call trace:
[ 9.653698] __pi_strcmp+0x24/0x140
[ 9.657285] genpd_dev_pm_attach_by_name+0x2c/0x64
[ 9.662217] dev_pm_domain_attach_by_name+0x20/0x2c
[ 9.667231] msm_vfe_subdev_init+0x78/0x50c [qcom_camss]
[ 9.672704] camss_probe+0x288/0xc8c [qcom_camss]
[ 9.677542] platform_probe+0x68/0xc0
[ 9.681311] really_probe+0x184/0x3c8
[ 9.685081] __driver_probe_device+0x7c/0x16c
[ 9.689562] driver_probe_device+0x3c/0x110
[ 9.693862] __driver_attach+0xf4/0x1fc
[ 9.697811] bus_for_each_dev+0x74/0xd4
[ 9.701762] driver_attach+0x24/0x30
[ 9.705446] bus_add_driver+0x110/0x214
[ 9.709397] driver_register+0x60/0x128
[ 9.713348] __platform_driver_register+0x28/0x34
[ 9.718180] qcom_camss_driver_init+0x20/0x1000 [qcom_camss]
[ 9.723998] do_one_initcall+0x6c/0x1b0
[ 9.727950] do_init_module+0x58/0x1e4
[ 9.731804] load_module+0x1df4/0x1ee0
[ 9.735656] init_module_from_file+0x84/0xc4
[ 9.740041] __arm64_sys_finit_module+0x1f4/0x300
[ 9.744871] invoke_syscall+0x48/0x114
[ 9.748724] el0_svc_common.constprop.0+0xc0/0xe0
[ 9.753555] do_el0_svc+0x1c/0x28
[ 9.756962] el0_svc+0x40/0xe8
[ 9.760102] el0t_64_sync_handler+0x100/0x12c
[ 9.764583] el0t_64_sync+0x190/0x194
[ 9.768352] Code: 54000401 b50002c6 d503201f f86a6803 (f8408402)
[ 9.774609] ---[ end trace 0000000000000000 ]---
---
bod
