linux-kernel - [PATCH -next] powerpc/maple: fix comparing pointer to 0

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Date:   Tue, 21 Jan 2020 09:31:53 +0800
From:   Chen Zhou <chenzhou10@...wei.com>
To:     <benh@...nel.crashing.org>, <paulus@...ba.org>,
        <mpe@...erman.id.au>
CC:     <gregkh@...uxfoundation.org>, <nivedita@...m.mit.edu>,
        <tglx@...utronix.de>, <allison@...utok.net>,
        <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
        <chenzhou10@...wei.com>
Subject: [PATCH -next] 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@...wei.com>
---
 arch/powerpc/platforms/maple/setup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 47f7310..00a0780 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -229,7 +229,7 @@ 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",
-- 
2.7.4