linux-kernel - [PATCH -next 2/3] ARM: 6953/1: DT: remove dt

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Date:   Wed, 27 Jul 2022 03:10:59 +0000
From:   Xu Qiang <xuqiang36@...wei.com>
To:     <linux@...linux.org.uk>, <robh@...nel.org>,
        <rmk+kernel@...linux.org.uk>, <kirill.shtuemov@...ux.intel.com>,
        <akpm@...ux-foundation.org>, <ardb@...nel.org>, <rppt@...nel.org>,
        <austindh.kim@...il.com>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <weiyongjun1@...wei.com>,
        <guohanjun@...wei.com>, <xuqiang36@...wei.com>
Subject: [PATCH -next 2/3] ARM: 6953/1: DT: remove dt_virt parameter double check

early_init_dt_verify() can handle NULL dt_virt as its argument,
and return NULL when dt_virt is NULL. So remove NULL
check before early_init_dt_verify operation.

Signed-off-by: Xu Qiang <xuqiang36@...wei.com>
---
 arch/arm/kernel/devtree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index 02839d8b6202..182a59b23b09 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -203,7 +203,7 @@ const struct machine_desc * __init setup_machine_fdt(void *dt_virt)
 	mdesc_best = &__mach_desc_GENERIC_DT;
 #endif
 
-	if (!dt_virt || !early_init_dt_verify(dt_virt))
+	if (!early_init_dt_verify(dt_virt))
 		return NULL;
 
 	mdesc = of_flat_dt_match_machine(mdesc_best, arch_get_next_mach);
-- 
2.17.1