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powerpc/maple: Fix comparing pointer to 0 

Fixes coccicheck warning:
  arch/powerpc/platforms/maple/setup.c:232:15-16:
	WARNING comparing pointer to 0

Compare pointer-typed values to NULL rather than 0.

Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200121013153.9937-1-chenzhou10@huawei.com
This commit is contained in:
Chen Zhou 2020-01-21 09:31:53 +08:00 committed by Michael Ellerman
parent aff8c8242b
commit 1e3531982e
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/platforms/maple/setup.c
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@ -232,7 +232,7 @@ static void __init maple_init_IRQ(void)
root = of_find_node_by_path("/");
naddr = of_n_addr_cells(root);
opprop = of_get_property(root, "platform-open-pic", &opplen);
if (opprop != 0) {
if (opprop) {
openpic_addr = of_read_number(opprop, naddr);
has_isus = (opplen > naddr);
printk(KERN_DEBUG "OpenPIC addr: %lx, has ISUs: %d\n",