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powerpc/xics: Add missing of_node_put() in error path

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The device node obtained with of_find_compatible_node() should be
released by calling of_node_put().  But it was not released when
of_get_property() failed.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
[mpe: Invert the sense of the if so we only need one return path]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
YueHaibing 2018-04-25 19:27:07 +08:00 committed by Michael Ellerman
parent c5cbde2df3
commit 589b1f7e4b
1 changed files with 4 additions and 3 deletions
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7
arch/powerpc/sysdev/xics/xics-common.c
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@ -446,10 +446,11 @@ static void __init xics_get_server_size(void)
np = of_find_compatible_node(NULL, NULL, "ibm,ppc-xics");
if (!np)
return;
isize = of_get_property(np, "ibm,interrupt-server#-size", NULL);
if (!isize)
return;
xics_interrupt_server_size = be32_to_cpu(*isize);
if (isize)
xics_interrupt_server_size = be32_to_cpu(*isize);
of_node_put(np);
}