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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>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Masahiro Yamada 2015-08-12 07:31:41 +09:00 committed by Tom Rini
parent 04812605f3
commit 29974f7737
1 changed files with 4 additions and 3 deletions
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7
scripts/basic/fixdep.c
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@ -251,7 +251,8 @@ static void parse_config_file(const char *map, size_t len)
continue; continue;
if (memcmp(p, "CONFIG_", 7)) if (memcmp(p, "CONFIG_", 7))
continue; continue;
for (q = p + 7; q < map + len; q++) { p += 7;
for (q = p; q < map + len; q++) {
if (!(isalnum(*q) || *q == '_')) if (!(isalnum(*q) || *q == '_'))
goto found; goto found;
} }
@ -260,9 +261,9 @@ static void parse_config_file(const char *map, size_t len)
found: found:
if (!memcmp(q - 7, "_MODULE", 7)) if (!memcmp(q - 7, "_MODULE", 7))
q -= 7; q -= 7;
if( (q-p-7) < 0 ) if (q - p < 0)
continue; continue;
use_config(p+7, q-p-7); use_config(p, q - p);
} }
} }