diff options
Diffstat (limited to 'qcom-msm89xx-fixes.patch')
| -rw-r--r-- | qcom-msm89xx-fixes.patch | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/qcom-msm89xx-fixes.patch b/qcom-msm89xx-fixes.patch index a3298e432..4b5db8422 100644 --- a/qcom-msm89xx-fixes.patch +++ b/qcom-msm89xx-fixes.patch @@ -136,55 +136,3 @@ index b9069184df19..d008e5b82db4 100644 -- 2.13.0 -From 173c1207986956ea4c00601a67c952751a1985e6 Mon Sep 17 00:00:00 2001 -From: Peter Robinson <pbrobinson@gmail.com> -Date: Mon, 3 Jul 2017 10:10:21 +0100 -Subject: [PATCH 6/6] wcn36xx: check dma_mapping_error() - -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] - -v2: pbrobinson: add kfree_skb(skb); - -Signed-off-by: Rob Clark <robdclark@gmail.com> -Signed-off-by: Peter Robinson <pbrobinson@gmail.com> ---- - drivers/net/wireless/ath/wcn36xx/dxe.c | 5 +++++ - 1 file changed, 5 insertions(+) - -diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c -index 87dfdaf9044c..d5c810a8cc52 100644 ---- a/drivers/net/wireless/ath/wcn36xx/dxe.c -+++ b/drivers/net/wireless/ath/wcn36xx/dxe.c -@@ -289,6 +289,11 @@ static int wcn36xx_dxe_fill_skb(struct device *dev, struct wcn36xx_dxe_ctl *ctl) - skb_tail_pointer(skb), - WCN36XX_PKT_SIZE, - DMA_FROM_DEVICE); -+ if (dma_mapping_error(dev, dxe->dst_addr_l)) { -+ dev_err(dev, "unable to map skb\n"); -+ kfree_skb(skb); -+ return -ENOMEM; -+ } - ctl->skb = skb; - - return 0; --- -2.13.0 - |