diff options
Diffstat (limited to '0001-PATCH-staging-rtl8822be-fix-wrong-dma-unmap-len.patch')
| -rw-r--r-- | 0001-PATCH-staging-rtl8822be-fix-wrong-dma-unmap-len.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/0001-PATCH-staging-rtl8822be-fix-wrong-dma-unmap-len.patch b/0001-PATCH-staging-rtl8822be-fix-wrong-dma-unmap-len.patch new file mode 100644 index 000000000..540b925eb --- /dev/null +++ b/0001-PATCH-staging-rtl8822be-fix-wrong-dma-unmap-len.patch @@ -0,0 +1,46 @@ +From 37af97ef14c201b1db8dd341aabd262da23e48aa Mon Sep 17 00:00:00 2001 +From: Fedora Kernel Team <kernel-team@fedoraproject.org> +Date: Mon, 30 Oct 2017 11:38:27 -0500 +Subject: [PATCH] [PATCH] staging: rtl8822be: fix wrong dma unmap len + +Patch fixes splat: + +r8822be 0000:04:00.0: DMA-API: device driver frees DMA memory with different size +[device address=0x0000000078477000] [map size=4096 bytes] [unmap size=424 bytes] +<snip> +Call Trace: + debug_dma_unmap_page+0xa5/0xb0 + ? unmap_single+0x2f/0x40 + _rtl8822be_send_bcn_or_cmd_packet+0x2c5/0x300 [r8822be] + ? _rtl8822be_send_bcn_or_cmd_packet+0x2c5/0x300 [r8822be] + rtl8822b_halmac_cb_write_data_rsvd_page+0x51/0xc0 [r8822be] + _halmac_write_data_rsvd_page+0x22/0x30 [r8822be] + halmac_download_rsvd_page_88xx+0xee/0x1f0 [r8822be] + halmac_dlfw_to_mem_88xx+0x80/0x120 [r8822be] + halmac_download_firmware_88xx.part.47+0x477/0x600 [r8822be] + halmac_download_firmware_88xx+0x32/0x40 [r8822be] + rtl_halmac_dlfw+0x70/0x120 [r8822be] + rtl_halmac_init_hal+0x5f/0x1b0 [r8822be] + rtl8822be_hw_init+0x8a2/0x1040 [r8822be] + +Signed-off-by: Stanislaw Gruszka <sgruszka at redhat.com> +--- + drivers/staging/rtlwifi/rtl8822be/fw.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/staging/rtlwifi/rtl8822be/fw.c b/drivers/staging/rtlwifi/rtl8822be/fw.c +index 8e24da1..a2cc548 100644 +--- a/drivers/staging/rtlwifi/rtl8822be/fw.c ++++ b/drivers/staging/rtlwifi/rtl8822be/fw.c +@@ -419,7 +419,7 @@ static bool _rtl8822be_send_bcn_or_cmd_packet(struct ieee80211_hw *hw, + dma_addr = rtlpriv->cfg->ops->get_desc( + hw, (u8 *)pbd_desc, true, HW_DESC_TXBUFF_ADDR); + +- pci_unmap_single(rtlpci->pdev, dma_addr, skb->len, ++ pci_unmap_single(rtlpci->pdev, dma_addr, pskb->len, + PCI_DMA_TODEVICE); + kfree_skb(pskb); + +-- +2.13.6 + |