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Subject[PATCH 5/9] module: use strstarts()

Impact: minor cleanup.

I'm not going to neaten anyone else's code, but I'm happy to clean up
my own.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
kernel/module.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1643,8 +1643,7 @@ static void layout_sections(struct modul
if ((s->sh_flags & masks[m][0]) != masks[m][0]
|| (s->sh_flags & masks[m][1])
|| s->sh_entsize != ~0UL
- || strncmp(secstrings + s->sh_name,
- ".init", 5) == 0)
+ || strstarts(secstrings + s->sh_name, ".init"))
continue;
s->sh_entsize = get_offset(mod, &mod->core_size, s, i);
DEBUGP("\t%s\n", secstrings + s->sh_name);
@@ -1661,8 +1660,7 @@ static void layout_sections(struct modul
if ((s->sh_flags & masks[m][0]) != masks[m][0]
|| (s->sh_flags & masks[m][1])
|| s->sh_entsize != ~0UL
- || strncmp(secstrings + s->sh_name,
- ".init", 5) != 0)
+ || strstarts(secstrings + s->sh_name, ".init"))
continue;
s->sh_entsize = (get_offset(mod, &mod->init_size, s, i)
| INIT_OFFSET_MASK);
@@ -1795,8 +1793,7 @@ static char elf_type(const Elf_Sym *sym,
else
return 'b';
}
- if (strncmp(secstrings + sechdrs[sym->st_shndx].sh_name,
- ".debug", strlen(".debug")) == 0)
+ if (strstarts(secstrings + sechdrs[sym->st_shndx].sh_name, ".debug"))
return 'n';
return '?';
}
@@ -1935,7 +1932,7 @@ static noinline struct module *load_modu
}
#ifndef CONFIG_MODULE_UNLOAD
/* Don't load .exit sections */
- if (strncmp(secstrings+sechdrs[i].sh_name, ".exit", 5) == 0)
+ if (strstarts(secstrings+sechdrs[i].sh_name, ".exit"))
sechdrs[i].sh_flags &= ~(unsigned long)SHF_ALLOC;
#endif
}


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