[tip: objtool/core] objtool: Remove redundant .rodata section name comparison

From: tip-bot2 for Muchun Song
Date: Thu Apr 23 2020 - 03:50:54 EST


The following commit has been merged into the objtool/core branch of tip:

Commit-ID: 1ee444700e960b017558038a9443474e808b0045
Gitweb: https://git.kernel.org/tip/1ee444700e960b017558038a9443474e808b0045
Author: Muchun Song <songmuchun@xxxxxxxxxxxxx>
AuthorDate: Sun, 12 Apr 2020 22:44:05 +08:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Wed, 22 Apr 2020 10:53:50 +02:00

objtool: Remove redundant .rodata section name comparison

If the prefix of section name is not '.rodata', the following
function call can never return 0.

strcmp(sec->name, C_JUMP_TABLE_SECTION)

So the name comparison is pointless, just remove it.

Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
tools/objtool/check.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index cffa5e3..e06a891 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -1354,8 +1354,8 @@ static void mark_rodata(struct objtool_file *file)
* .rodata.str1.* sections are ignored; they don't contain jump tables.
*/
for_each_sec(file, sec) {
- if ((!strncmp(sec->name, ".rodata", 7) && !strstr(sec->name, ".str1.")) ||
- !strcmp(sec->name, C_JUMP_TABLE_SECTION)) {
+ if (!strncmp(sec->name, ".rodata", 7) &&
+ !strstr(sec->name, ".str1.")) {
sec->rodata = true;
found = true;
}