From b29cd7c4c482d895f4b13ef1dfe85550529f38c9 Mon Sep 17 00:00:00 2001
From: Vasily Gorbik <gor@linux.ibm.com>
Date: Mon, 19 Aug 2019 17:05:44 +0200
Subject: [PATCH] s390/module: avoid using strncmp with hardcoded length
Reuse str_has_prefix instead of strncmp with hardcoded length to
make the intent of a comparison more obvious.
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
---
arch/s390/kernel/module.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index 31889db609e90..ba8f19bb438b8 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -472,11 +472,11 @@ int module_finalize(const Elf_Ehdr *hdr,
apply_alternatives(aseg, aseg + s->sh_size);
if (IS_ENABLED(CONFIG_EXPOLINE) &&
- (!strncmp(".s390_indirect", secname, 14)))
+ (str_has_prefix(secname, ".s390_indirect")))
nospec_revert(aseg, aseg + s->sh_size);
if (IS_ENABLED(CONFIG_EXPOLINE) &&
- (!strncmp(".s390_return", secname, 12)))
+ (str_has_prefix(secname, ".s390_return")))
nospec_revert(aseg, aseg + s->sh_size);
}