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brcm80211: fix possible memleak in brcmf_proto_msgbuf_attach 

When brcmf_proto_msgbuf_attach fail and msgbuf->txflow_wq != NULL,
we should destroy the workqueue.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1595237765-66238-1-git-send-email-wangyufen@huawei.com
This commit is contained in:
Wang Yufen 2020-07-20 17:36:05 +08:00 committed by Kalle Valo
parent 9123e3a74e
commit 6c151410d5
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
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@ -1620,6 +1620,8 @@ int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr)
BRCMF_TX_IOCTL_MAX_MSG_SIZE,
msgbuf->ioctbuf,
msgbuf->ioctbuf_handle);
if (msgbuf->txflow_wq)
destroy_workqueue(msgbuf->txflow_wq);
kfree(msgbuf);
}
return -ENOMEM;