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mwifiex: pcie: Fix memory leak in mwifiex_pcie_alloc_cmdrsp_buf

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In mwifiex_pcie_alloc_cmdrsp_buf, a new skb is allocated which should be
released if mwifiex_map_pci_memory() fails. The release is added.

Fixes: fc33146090 ("mwifiex: use pci_alloc/free_consistent APIs for PCIe")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Acked-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Navid Emamdoost 2019-10-04 15:08:52 -05:00 committed by Kalle Valo
parent 39e50f5ce2
commit db8fd2cde9
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/marvell/mwifiex/pcie.c
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@ -1029,8 +1029,10 @@ static int mwifiex_pcie_alloc_cmdrsp_buf(struct mwifiex_adapter *adapter)
} }
skb_put(skb, MWIFIEX_UPLD_SIZE); skb_put(skb, MWIFIEX_UPLD_SIZE);
if (mwifiex_map_pci_memory(adapter, skb, MWIFIEX_UPLD_SIZE, if (mwifiex_map_pci_memory(adapter, skb, MWIFIEX_UPLD_SIZE,
PCI_DMA_FROMDEVICE)) PCI_DMA_FROMDEVICE)) {
kfree_skb(skb);
return -1; return -1;
}
card->cmdrsp_buf = skb; card->cmdrsp_buf = skb;