linux-kernel - [PATCH v2] fs/ntfs3: Use swap() to improve code

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Message-ID: <20240826103939.63548-2-thorsten.blum@toblux.com>
Date: Mon, 26 Aug 2024 12:39:40 +0200
From: Thorsten Blum <thorsten.blum@...lux.com>
To: almaz.alexandrovich@...agon-software.com,
	dan.carpenter@...aro.org
Cc: ntfs3@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Thorsten Blum <thorsten.blum@...lux.com>
Subject: [PATCH v2] fs/ntfs3: Use swap() to improve code

Use the swap() macro to simplify the code and improve its readability.

Fixes the following Coccinelle/coccicheck warning reported by
swap.cocci:

  WARNING opportunity for swap()

Compile-tested only.

Signed-off-by: Thorsten Blum <thorsten.blum@...lux.com>
---
Changes in v2:
- Address kernel test robot feedback and assign match_offset as before
- Link to v1: https://lore.kernel.org/linux-kernel/20240731135403.80805-2-thorsten.blum@toblux.com/
---
 fs/ntfs3/lib/lzx_decompress.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ntfs3/lib/lzx_decompress.c b/fs/ntfs3/lib/lzx_decompress.c
index 6b16f07073c1..4d5701024f83 100644
--- a/fs/ntfs3/lib/lzx_decompress.c
+++ b/fs/ntfs3/lib/lzx_decompress.c
@@ -512,8 +512,7 @@ static int lzx_decompress_block(const struct lzx_decompressor *d,
 			 * the same code.  (For R0, the swap is a no-op.)
 			 */
 			match_offset = recent_offsets[offset_slot];
-			recent_offsets[offset_slot] = recent_offsets[0];
-			recent_offsets[0] = match_offset;
+			swap(recent_offsets[offset_slot], recent_offsets[0]);
 		} else {
 			/* Explicit offset  */
 
-- 
2.46.0