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fix leak in proc_set_super()

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set_anon_super() can fail...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-06-12 09:42:17 -04:00
parent b99ca60c83
commit ff78fca2a0
1 changed files with 6 additions and 5 deletions
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11
fs/proc/root.c
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@ -28,11 +28,12 @@ static int proc_test_super(struct super_block *sb, void *data)
static int proc_set_super(struct super_block *sb, void *data)
{
struct pid_namespace *ns;
ns = (struct pid_namespace *)data;
sb->s_fs_info = get_pid_ns(ns);
return set_anon_super(sb, NULL);
int err = set_anon_super(sb, NULL);
if (!err) {
struct pid_namespace *ns = (struct pid_namespace *)data;
sb->s_fs_info = get_pid_ns(ns);
}
return err;
}
static struct dentry *proc_mount(struct file_system_type *fs_type,