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mountns: potential fd leak when readlinkat call

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when mntns_collect_root->readlinkat call faild, we should close pdf

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Libo Chen
2013-05-16 21:00:43 +08:00
committed by Pavel Emelyanov
parent 7071d52088
commit ad6db8332b
1 changed files with 3 additions and 1 deletions
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4
mount.c
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@@ -787,8 +787,10 @@ int mntns_collect_root(pid_t pid)
pfd = open_pid_proc(pid); pfd = open_pid_proc(pid);
ret = readlinkat(pfd, "root", path, sizeof(path) - 1); ret = readlinkat(pfd, "root", path, sizeof(path) - 1);
if (ret < 0) if (ret < 0){
close_pid_proc();
return ret; return ret;
}
path[ret] = '\0'; path[ret] = '\0';