From: Navid Emamdoost navid.emamdoost@gmail.com
[ 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 --- drivers/net/wireless/mwifiex/pcie.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 268e50ba88a5..4c0a65692899 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -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);