fix extra bogus files generation in include/config/*

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 9 insertions, 4 deletions

diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index bbb575cec..1a5b10f84 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -243,22 +243,27 @@ void parse_config_file(char *map, size_t len)
                         if (!memcmp(p, "IF_NOT", 6)) goto conf7;
                 }
                 /* we have at least 3 chars because of p <= end_3 */
-                /*if (!memcmp(p, "IF_", 3)) goto conf3;*/
-                if (p[0] == 'I' && p[1] == 'F' && p[2] == '_') goto conf3;
+                /*if (!memcmp(p, "IF_", 3)) ...*/
+                if (p[0] == 'I' && p[1] == 'F' && p[2] == '_') {
+                        off = 3;
+                        goto conf;
+                }
 
                 /* This identifier is not interesting, skip it */
                 while (p <= end_3 && (isalnum(*p) || *p == '_'))
                         p++;
                 continue;
 
-        conf3:  off = 3;
         conf7:  off = 7;
+        conf:
                 p += off;
                 for (q = p; q < end_3+3; q++) {
                         if (!(isalnum(*q) || *q == '_'))
                                 break;
                 }
-                use_config(p, q-p);
+                if (q != p) {
+                        use_config(p, q-p);
+                }
         }
 }