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nfsd: remove /proc/fs/nfs when create /proc/fs/nfs/exports error

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when create /proc/fs/nfs/exports error, we should remove /proc/fs/nfs,
if don't do it, it maybe cause Memory leak.

 Signed-off-by: fanchaoting <fanchaoting@cn.fujitsu.com>
 Reviewed-by: chendt.fnst <chendt.fnst@cn.fujitsu.com>

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
fanchaoting 2013-03-27 16:31:18 +08:00 committed by J. Bruce Fields
parent b022032e19
commit ff7c4b3693
1 changed files with 3 additions and 1 deletions
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4
fs/nfsd/nfsctl.c
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@ -1111,8 +1111,10 @@ static int create_proc_exports_entry(void)
return -ENOMEM; return -ENOMEM;
entry = proc_create("exports", 0, entry, entry = proc_create("exports", 0, entry,
&exports_proc_operations); &exports_proc_operations);
if (!entry) if (!entry) {
remove_proc_entry("fs/nfs", NULL);
return -ENOMEM; return -ENOMEM;
}
return 0; return 0;
} }
#else /* CONFIG_PROC_FS */ #else /* CONFIG_PROC_FS */