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authorStanislaw Gruszka <sgruszka@redhat.com>2017-10-23 12:35:59 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-03 16:49:08 +0300
commitc40a45a465e9eab72cfdd3ab69d15cf8ef8b89c8 (patch)
tree6786e73091a0974543f28399f54131aaafeff709 /drivers/staging/rtlwifi
parentf3c3a0b66ab514345f7a7f8f41afc9dd5025d712 (diff)
downloadlinux-c40a45a465e9eab72cfdd3ab69d15cf8ef8b89c8.tar.xz
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@redhat.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtlwifi')
-rw-r--r--drivers/staging/rtlwifi/rtl8822be/fw.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/rtlwifi/rtl8822be/fw.c b/drivers/staging/rtlwifi/rtl8822be/fw.c
index fa62983fc267..f45487122517 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);