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s390/module: avoid using strncmp with hardcoded length

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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>
This commit is contained in:
Vasily Gorbik 2019-08-19 17:05:44 +02:00
parent 8dec6bd4ef
commit b29cd7c4c4
1 changed files with 2 additions and 2 deletions
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4
arch/s390/kernel/module.c
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@ -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);
}