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mwifiex: pcie: Fix memory leak in mwifiex_pcie_init_evt_ring

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[ Upstream commit d10dcb615c8e29d403a24d35f8310a7a53e3050c ]

In mwifiex_pcie_init_evt_ring, a new skb is allocated which should be
released if mwifiex_map_pci_memory() fails. The release for skb and
card->evtbd_ring_vbase is added.

Fixes: 0732484b47b5 ("mwifiex: separate ring initialization and ring creation routines")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Acked-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Navid Emamdoost 2019-10-04 15:16:48 -05:00 committed by Greg Kroah-Hartman
parent d79d036dab
commit 4a6cf20ca0
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/mwifiex/pcie.c
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@ -577,8 +577,11 @@ static int mwifiex_pcie_init_evt_ring(struct mwifiex_adapter *adapter)
skb_put(skb, MAX_EVENT_SIZE);
if (mwifiex_map_pci_memory(adapter, skb, MAX_EVENT_SIZE,
PCI_DMA_FROMDEVICE))
PCI_DMA_FROMDEVICE)) {
kfree_skb(skb);
kfree(card->evtbd_ring_vbase);
return -1;
}
buf_pa = MWIFIEX_SKB_DMA_ADDR(skb);