From: Kaixu Xia <kaixuxia@tencent.com>
Date: Mon, 9 Nov 2020 08:06:56 +0000 (+0800)
Subject: sparc32: Fix comparing pointer to 0 coccicheck warning
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=76962e03934e1a77795852c1d64bd8491a00fb52;p=linux.git

sparc32: Fix comparing pointer to 0 coccicheck warning

Fixes coccicheck warning:

/arch/sparc/mm/srmmu.c:354:42-43: WARNING comparing pointer to 0

Avoid pointer type value compared to 0.

Reported-by: Tosk Robot <tencent_os_robot@tencent.com>
Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index da4e10b4cb37f..6ceea577a39ed 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -351,7 +351,7 @@ pgtable_t pte_alloc_one(struct mm_struct *mm)
 	pte_t *ptep;
 	struct page *page;
 
-	if ((ptep = pte_alloc_one_kernel(mm)) == 0)
+	if (!(ptep = pte_alloc_one_kernel(mm)))
 		return NULL;
 	page = pfn_to_page(__nocache_pa((unsigned long)ptep) >> PAGE_SHIFT);
 	spin_lock(&mm->page_table_lock);