diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-06-17 17:59:52 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-06-17 17:59:52 +0200 |
| commit | d01107902d6fd5eb21a4136a343b531b63e563d6 (patch) | |
| tree | 197795441706bcc8d6e27ca324951745a21cf67c /drivers/net/wireless/mwifiex/pcie.c | |
| parent | 3ca407c4f1edfcdf8cdba81bd82b1ab2e9b406a7 (diff) | |
| parent | 5c7513c4866175f5057fbe1d039e53e00a2dba53 (diff) | |
Merge remote-tracking branch 'fslc/4.1-2.0.x-imx' into toradex_4.1-2.0.x-imx-next
Conflicts:
arch/arm/boot/dts/imx7d.dtsi
arch/arm/mach-imx/busfreq-imx.c
arch/arm/mach-imx/imx_rpmsg.c
drivers/mmc/host/sdhci-esdhc-imx.c
Parts moved to:
arch/arm/boot/dts/imx7s.dtsi
Note: This also includes NXP's latest rel_imx_4.1.15_2.1.0_ga.
Diffstat (limited to 'drivers/net/wireless/mwifiex/pcie.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/pcie.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index bcc7751d883c..2ee19eb0af64 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -930,6 +930,7 @@ static int mwifiex_pcie_delete_cmdrsp_buf(struct mwifiex_adapter *adapter) if (card && card->cmd_buf) { mwifiex_unmap_pci_memory(adapter, card->cmd_buf, PCI_DMA_TODEVICE); + dev_kfree_skb_any(card->cmd_buf); } return 0; } @@ -1486,6 +1487,11 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb) return -1; card->cmd_buf = skb; + /* + * Need to keep a reference, since core driver might free up this + * buffer before we've unmapped it. + */ + skb_get(skb); /* To send a command, the driver will: 1. Write the 64bit physical address of the data buffer to @@ -1582,6 +1588,7 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter) if (card->cmd_buf) { mwifiex_unmap_pci_memory(adapter, card->cmd_buf, PCI_DMA_TODEVICE); + dev_kfree_skb_any(card->cmd_buf); card->cmd_buf = NULL; } |