linux-kernel - [PATCH] lib/vnsprintf: add const modifier for param 'bitmap'

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Message-ID: <20220816144557.30779-1-huangguangbin2@huawei.com>
Date:   Tue, 16 Aug 2022 22:45:57 +0800
From:   Guangbin Huang <huangguangbin2@...wei.com>
To:     <pmladek@...e.com>, <rostedt@...dmis.org>,
        <senozhatsky@...omium.org>, <andriy.shevchenko@...ux.intel.com>,
        <linux@...musvillemoes.dk>
CC:     <linux-kernel@...r.kernel.org>, <bpf@...r.kernel.org>,
        <lipeng321@...wei.com>, <shenjian15@...wei.com>,
        <huangguangbin2@...wei.com>
Subject: [PATCH] lib/vnsprintf: add const modifier for param 'bitmap'

From: Jian Shen <shenjian15@...wei.com>

There is no modification for param bitmap in function
bitmap_string() and bitmap_list_string(), so add const
modifier for it.

Signed-off-by: Jian Shen <shenjian15@...wei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
---
 lib/vsprintf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 3c1853a9d1c0..07b36d8b29c3 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1189,7 +1189,7 @@ char *hex_string(char *buf, char *end, u8 *addr, struct printf_spec spec,
 }
 
 static noinline_for_stack
-char *bitmap_string(char *buf, char *end, unsigned long *bitmap,
+char *bitmap_string(char *buf, char *end, const unsigned long *bitmap,
 		    struct printf_spec spec, const char *fmt)
 {
 	const int CHUNKSZ = 32;
@@ -1233,7 +1233,7 @@ char *bitmap_string(char *buf, char *end, unsigned long *bitmap,
 }
 
 static noinline_for_stack
-char *bitmap_list_string(char *buf, char *end, unsigned long *bitmap,
+char *bitmap_list_string(char *buf, char *end, const unsigned long *bitmap,
 			 struct printf_spec spec, const char *fmt)
 {
 	int nr_bits = max_t(int, spec.field_width, 0);
-- 
2.33.0