wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()

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[ Upstream commit 212fde3fe7 ]

The brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb
in case of pskb_expand_head() fails, add dev_kfree_skb() to fix it.
Compile tested only.

Fixes: 270a6c1f65 ("brcmfmac: rework headroom check in .start_xmit()")
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/1668684782-47422-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Zhang Changzhong 2022-11-17 19:33:01 +08:00 • committed by Greg Kroah-Hartman

parent 6da6ce0862

commit 3a4d18318f

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drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c

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