summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorWen Yang <wen.yang99@zte.com.cn>2018-12-26 11:28:30 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-05 11:20:56 +0300
commitdf427cac8469c58791cdd8c0d5ef6e625b9300ec (patch)
treec54cce6f77e09bac25b0690f9ea2b290ae301748
parente3a5ee138296040393c7d230ede7d1ddf2a661dc (diff)
downloadlinux-df427cac8469c58791cdd8c0d5ef6e625b9300ec.tar.xz
net/wan/fsl_ucc_hdlc: Avoid double free in ucc_hdlc_probe()
[ Upstream commit 40752b3eae29f8ca2378e978a02bd6dbeeb06d16 ] This patch fixes potential double frees if register_hdlc_device() fails. Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> Reviewed-by: Peng Hao <peng.hao2@zte.com.cn> CC: Zhao Qiang <qiang.zhao@nxp.com> CC: "David S. Miller" <davem@davemloft.net> CC: netdev@vger.kernel.org CC: linuxppc-dev@lists.ozlabs.org CC: linux-kernel@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/wan/fsl_ucc_hdlc.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 5f0366a125e2..0212f576a838 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -1113,7 +1113,6 @@ static int ucc_hdlc_probe(struct platform_device *pdev)
if (register_hdlc_device(dev)) {
ret = -ENOBUFS;
pr_err("ucc_hdlc: unable to register hdlc device\n");
- free_netdev(dev);
goto free_dev;
}