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powerpc/numa: check error return from proc_create

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proc_create can fail, we should check the return value and pass up the
failure.

Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nishanth Aravamudan 2014-10-09 16:41:28 -07:00 committed by Michael Ellerman
parent 6507955c97
commit 2d15b9b479
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/mm/numa.c
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@ -1801,7 +1801,8 @@ static const struct file_operations topology_ops = {
static int topology_update_init(void)
{
start_topology_update();
proc_create("powerpc/topology_updates", 0644, NULL, &topology_ops);
if (!proc_create("powerpc/topology_updates", 0644, NULL, &topology_ops))
return -ENOMEM;
return 0;
}