linux-kernel - [PATCH v3 1/9] crash_core.c: remove unnecessary parameter of function

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Message-ID: <20230914033142.676708-2-bhe@redhat.com>
Date:   Thu, 14 Sep 2023 11:31:34 +0800
From:   Baoquan He <bhe@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     akpm@...ux-foundation.org, thunder.leizhen@...wei.com,
        catalin.marinas@....com, chenjiahao16@...wei.com,
        kexec@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, x86@...nel.org,
        Baoquan He <bhe@...hat.com>
Subject: [PATCH v3 1/9] crash_core.c: remove unnecessary parameter of function

In all call sites of __parse_crashkernel(), the parameter 'name' is
hardcoded as "crashkernel=". So remove the unnecessary parameter 'name',
add local varibale 'name' inside __parse_crashkernel() instead.

Signed-off-by: Baoquan He <bhe@...hat.com>
Reviewed-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 kernel/crash_core.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/crash_core.c b/kernel/crash_core.c
index 03a7932cde0a..c9695204715d 100644
--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c
@@ -248,11 +248,11 @@ static int __init __parse_crashkernel(char *cmdline,
 			     unsigned long long system_ram,
 			     unsigned long long *crash_size,
 			     unsigned long long *crash_base,
-			     const char *name,
 			     const char *suffix)
 {
 	char	*first_colon, *first_space;
 	char	*ck_cmdline;
+	char	*name = "crashkernel=";
 
 	BUG_ON(!crash_size || !crash_base);
 	*crash_size = 0;
@@ -290,7 +290,7 @@ int __init parse_crashkernel(char *cmdline,
 			     unsigned long long *crash_base)
 {
 	return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
-					"crashkernel=", NULL);
+				NULL);
 }
 
 int __init parse_crashkernel_high(char *cmdline,
@@ -299,7 +299,7 @@ int __init parse_crashkernel_high(char *cmdline,
 			     unsigned long long *crash_base)
 {
 	return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
-				"crashkernel=", suffix_tbl[SUFFIX_HIGH]);
+				suffix_tbl[SUFFIX_HIGH]);
 }
 
 int __init parse_crashkernel_low(char *cmdline,
@@ -308,7 +308,7 @@ int __init parse_crashkernel_low(char *cmdline,
 			     unsigned long long *crash_base)
 {
 	return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
-				"crashkernel=", suffix_tbl[SUFFIX_LOW]);
+				suffix_tbl[SUFFIX_LOW]);
 }
 
 /*
-- 
2.41.0