Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.12 410/700] brcmfmac: Fix a double-free in brcmf_sdio_bus_reset | Date | Mon, 12 Jul 2021 08:08:13 +0200 |
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From: Tong Tiangen <tongtiangen@huawei.com>
[ Upstream commit 7ea7a1e05c7ff5ffc9f9ec1f0849f6ceb7fcd57c ]
brcmf_sdiod_remove has been called inside brcmf_sdiod_probe when fails, so there's no need to call another one. Otherwise, sdiodev->freezer would be double freed.
Fixes: 7836102a750a ("brcmfmac: reset SDIO bus on a firmware crash") Signed-off-by: Tong Tiangen <tongtiangen@huawei.com> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210601100128.69561-1-tongtiangen@huawei.com Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 16ed325795a8..3a1c98a046f0 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -4162,7 +4162,6 @@ static int brcmf_sdio_bus_reset(struct device *dev) if (ret) { brcmf_err("Failed to probe after sdio device reset: ret %d\n", ret); - brcmf_sdiod_remove(sdiodev); } return ret; -- 2.30.2
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