linux-kernel - [PATCH v4 11/13] buildid: Mark some arguments const

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Date:   Fri,  9 Apr 2021 18:52:58 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Jessica Yu <jeyu@...nel.org>,
        Evan Green <evgreen@...omium.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>
Subject: [PATCH v4 11/13] buildid: Mark some arguments const

These arguments are never modified so they can be marked const to
indicate as such.

Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Alexei Starovoitov <ast@...nel.org>
Cc: Jessica Yu <jeyu@...nel.org>
Cc: Evan Green <evgreen@...omium.org>
Cc: Hsin-Yi Wang <hsinyi@...omium.org>
Signed-off-by: Stephen Boyd <swboyd@...omium.org>
---
 lib/buildid.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/buildid.c b/lib/buildid.c
index 1103ed46214f..df42282b36ff 100644
--- a/lib/buildid.c
+++ b/lib/buildid.c
@@ -48,10 +48,10 @@ static int parse_build_id_buf(unsigned char *build_id,
 	return -EINVAL;
 }
 
-static inline int parse_build_id(void *page_addr,
+static inline int parse_build_id(const void *page_addr,
 				 unsigned char *build_id,
 				 __u32 *size,
-				 void *note_start,
+				 const void *note_start,
 				 Elf32_Word note_size)
 {
 	/* check for overflow */
@@ -66,7 +66,7 @@ static inline int parse_build_id(void *page_addr,
 }
 
 /* Parse build ID from 32-bit ELF */
-static int get_build_id_32(void *page_addr, unsigned char *build_id,
+static int get_build_id_32(const void *page_addr, unsigned char *build_id,
 			   __u32 *size)
 {
 	Elf32_Ehdr *ehdr = (Elf32_Ehdr *)page_addr;
@@ -91,7 +91,7 @@ static int get_build_id_32(void *page_addr, unsigned char *build_id,
 }
 
 /* Parse build ID from 64-bit ELF */
-static int get_build_id_64(void *page_addr, unsigned char *build_id,
+static int get_build_id_64(const void *page_addr, unsigned char *build_id,
 			   __u32 *size)
 {
 	Elf64_Ehdr *ehdr = (Elf64_Ehdr *)page_addr;
-- 
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