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