linux-kernel - [PATCH v3] ring-buffer: simplify if-if to if-else

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Message-Id: <20220426070628.167565-1-wanjiabing@vivo.com>
Date:   Tue, 26 Apr 2022 15:06:28 +0800
From:   Wan Jiabing <wanjiabing@...o.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Cc:     kael_w@...h.net, joe@...ches.com, Wan Jiabing <wanjiabing@...o.com>
Subject: [PATCH v3] ring-buffer: simplify if-if to if-else

Use if and else instead of if(A) and if (!A).

Signed-off-by: Wan Jiabing <wanjiabing@...o.com>
---
Change log:
v2:
- add braces to the if block and make pr_info nicer.
v3:
- keep the original line breakage.
---
 kernel/trace/ring_buffer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 05dfc7a12d3d..655d6db3e3c3 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -6011,10 +6011,10 @@ static __init int test_ringbuffer(void)
 		pr_info("        total events:   %ld\n", total_lost + total_read);
 		pr_info("  recorded len bytes:   %ld\n", total_len);
 		pr_info(" recorded size bytes:   %ld\n", total_size);
-		if (total_lost)
+		if (total_lost) {
 			pr_info(" With dropped events, record len and size may not match\n"
 				" alloced and written from above\n");
-		if (!total_lost) {
+		} else {
 			if (RB_WARN_ON(buffer, total_len != total_alloc ||
 				       total_size != total_written))
 				break;
-- 
2.35.1