linux-kernel - [PATCH] powerpc: use swap() to make code cleaner

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Date:   Thu,  4 Nov 2021 14:17:09 +0800
From:   davidcomponentone@...il.com
To:     mpe@...erman.id.au
Cc:     davidcomponentone@...il.com, benh@...nel.crashing.org,
        paulus@...ba.org, nathan@...nel.org, sfr@...b.auug.org.au,
        sxwjean@...il.com, aneesh.kumar@...ux.ibm.com,
        yang.guang5@....com.cn, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, Zeal Robot <zealci@....com.cn>
Subject: [PATCH] powerpc: use swap() to make code cleaner

From: Yang Guang <yang.guang5@....com.cn>

Use the macro 'swap()' defined in 'include/linux/minmax.h' to avoid
opencoding it.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Yang Guang <yang.guang5@....com.cn>
---
 arch/powerpc/kernel/fadump.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index b7ceb041743c..5b40e2d46090 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -1265,7 +1265,6 @@ static void fadump_release_reserved_area(u64 start, u64 end)
 static void sort_and_merge_mem_ranges(struct fadump_mrange_info *mrange_info)
 {
 	struct fadump_memory_range *mem_ranges;
-	struct fadump_memory_range tmp_range;
 	u64 base, size;
 	int i, j, idx;
 
@@ -1281,9 +1280,7 @@ static void sort_and_merge_mem_ranges(struct fadump_mrange_info *mrange_info)
 				idx = j;
 		}
 		if (idx != i) {
-			tmp_range = mem_ranges[idx];
-			mem_ranges[idx] = mem_ranges[i];
-			mem_ranges[i] = tmp_range;
+			swap(mem_ranges[idx], mem_ranges[i]);
 		}
 	}
 
-- 
2.30.2