Rob Clark <[email protected]> wrote: > Fixes splat: > > wcn36xx a204000.wcnss:smd-edge:wcnss:wifi: DMA-API: device driver failed to > check map error[device address=0x00000000b45ba000] [size=3872 bytes] [mapped > as single] > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 0 at ../lib/dma-debug.c:1167 check_unmap+0x474/0x8d0 > Modules linked in: bnep(E) arc4(E) wcn36xx(E) mac80211(E) btqcomsmd(E) > btqca(E) bluetooth(E) cfg80211(E) ecdh_generic(E) rfkill(E) vfat(E) fat(E) > wcnss_ctrl qcom_wcnss_pil(E) mdt_loader(E) qcom_common(E) remoteproc(E) > crc32_ce(E) virtio_ring(E) snd_soc_lpass_apq8016(E) snd_soc_lpass_cpu(E) > virtio(E) snd_soc_lpass_platform(E) leds_gpio(E) snd_soc_hdmi_codec(E) > snd_soc_apq8016_sbc(E) snd_soc_msm8916_digital(E) snd_soc_core(E) > qcom_spmi_temp_alarm(E) ac97_bus(E) snd_pcm_dmaengine(E) snd_seq(E) > snd_seq_device(E) snd_pcm(E) spi_qup(E) nvmem_qfprom(E) snd_timer(E) snd(E) > soundcore(E) msm_rng(E) qcom_tsens(E) nvmem_core(E) uas(E) usb_storage(E) > dm9601(E) cdc_ether(E) usbnet(E) mii(E) mmc_block(E) sdhci_msm(E) > sdhci_pltfm(E) qcom_spmi_vadc(E) qcom_vadc_common(PE) clk_smd_rpm(E) > industrialio(E) > qcom_smd_regulator(E) pinctrl_spmi_mpp(E) pinctrl_spmi_gpio(E) > rtc_pm8xxx(E) adv7511(E) smd_rpm(E) qcom_spmi_pmic(E) regmap_spmi(E) > phy_msm_usb(E) usb3503(E) extcon_usb_gpio(E) ci_hdrc_msm(E) ci_hdrc(E) > qcom_hwspinlock(E) udc_core(E) extcon_core(E) ehci_msm(E) i2c_qup(E) sdhci(E) > msm(E) mmc_core(E) drm_kms_helper(E) syscopyarea(E) sysfillrect(E) > sysimgblt(E) fb_sys_fops(E) spmi_pmic_arb(E) drm(E) spmi(E) qcom_smd(E) > rpmsg_core smsm(E) gpio_keys(E) smp2p(E) smem(E) hwspinlock_core(E) sunrpc(E) > scsi_transport_iscsi(E) > CPU: 0 PID: 0 Comm: swapper/0 Tainted: P E 4.12.0-rc7+ #1476 > Hardware name: qualcomm dragonboard410c/dragonboard410c, BIOS > 2017.07-rc1-00234-g22fa70a-dirty 06/26/2017 > task: ffff000009049780 task.stack: ffff000009030000 > PC is at check_unmap+0x474/0x8d0 > LR is at check_unmap+0x474/0x8d0 > ... > Mapped at: > dma_entry_alloc+0x68/0xa8 > debug_dma_map_page+0x94/0x148 > wcn36xx_dxe_fill_skb.isra.1+0xbc/0xf8 [wcn36xx] > wcn36xx_dxe_init+0x244/0x398 [wcn36xx] > wcn36xx_start+0xf4/0x298 [wcn36xx] > > Signed-off-by: Rob Clark <[email protected]> > Signed-off-by: Kalle Valo <[email protected]>
Patch applied to ath-next branch of ath.git, thanks. 4165cf7ba52a wcn36xx: check dma_mapping_error() -- https://patchwork.kernel.org/patch/9823509/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
