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authorMasahiro Yamada <yamada.masahiro@socionext.com>2015-07-24 14:18:45 +0900
committerMichal Marek <mmarek@suse.com>2015-08-24 16:36:08 +0200
commitd721109611fb94aff53c2397859046e5f92f55ae (patch)
tree2786ab0465fe2e4c9a3a6e1c568213a3619cbcbb /scripts
parent5b733faca671756dd41b7e24584374e2b1fc3c4d (diff)
downloadlinux-d721109611fb94aff53c2397859046e5f92f55ae.tar.gz
kbuild: fixdep: optimize code slightly
If the target string matches "CONFIG_", move the pointer p forward. This saves several 7-chars adjustments. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Michal Marek <mmarek@suse.com>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/basic/fixdep.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index b30406860b73..46cc1b3e5de2 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -251,7 +251,8 @@ static void parse_config_file(const char *map, size_t len)
continue;
if (memcmp(p, "CONFIG_", 7))
continue;
- for (q = p + 7; q < map + len; q++) {
+ p += 7;
+ for (q = p; q < map + len; q++) {
if (!(isalnum(*q) || *q == '_'))
goto found;
}
@@ -260,9 +261,9 @@ static void parse_config_file(const char *map, size_t len)
found:
if (!memcmp(q - 7, "_MODULE", 7))
q -= 7;
- if( (q-p-7) < 0 )
+ if (q - p < 0)
continue;
- use_config(p+7, q-p-7);
+ use_config(p, q - p);
}
}