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https://github.com/Divested-Mobile/DivestOS-Build.git
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39 lines
1.1 KiB
Diff
39 lines
1.1 KiB
Diff
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From ee0d8d8482345ff97a75a7d747efc309f13b0d80 Mon Sep 17 00:00:00 2001
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From: Dan Carpenter <dan.carpenter@oracle.com>
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Date: Tue, 2 May 2017 13:58:53 +0300
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Subject: ipx: call ipxitf_put() in ioctl error path
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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We should call ipxitf_put() if the copy_to_user() fails.
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Reported-by: 李强 <liqiang6-s@360.cn>
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Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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net/ipx/af_ipx.c | 5 ++---
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1 file changed, 2 insertions(+), 3 deletions(-)
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diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
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index 8a9219f..fa31ef2 100644
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--- a/net/ipx/af_ipx.c
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+++ b/net/ipx/af_ipx.c
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@@ -1168,11 +1168,10 @@ static int ipxitf_ioctl(unsigned int cmd, void __user *arg)
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sipx->sipx_network = ipxif->if_netnum;
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memcpy(sipx->sipx_node, ipxif->if_node,
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sizeof(sipx->sipx_node));
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- rc = -EFAULT;
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+ rc = 0;
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if (copy_to_user(arg, &ifr, sizeof(ifr)))
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- break;
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+ rc = -EFAULT;
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ipxitf_put(ipxif);
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- rc = 0;
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break;
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}
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case SIOCAIPXITFCRT:
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--
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cgit v1.1
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