diff options
| author | Navid Emamdoost <navid.emamdoost@gmail.com> | 2019-10-04 15:16:48 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-04 13:34:12 +0100 |
| commit | 4a6cf20ca09434486bfbfc742c960157c23c931d (patch) | |
| tree | ce10af9956e6b387f91b7bd4cdfacab8ee2bbdef /drivers/net/wireless | |
| parent | d79d036dabed23b8c1ede9bd648822dc38304bdd (diff) | |
mwifiex: pcie: Fix memory leak in mwifiex_pcie_init_evt_ring
[ 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>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mwifiex/pcie.c | 5 |
1 files changed, 4 insertions, 1 deletions
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); |