coccinelle: make use of the "type" FREE_AND_NULL() rule

diff --git a/builtin/config.c b/builtin/config.c
index 7f6c25d4d95b37f7785e0b6872d059095548c87f..18c2158630d85b389f43204fa58c538c0d021b40 100644 (file)
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -214,8 +214,7 @@ static int get_value(const char *key_, const char *regex_)
                key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
                if (regcomp(key_regexp, key, REG_EXTENDED)) {
                        error("invalid key pattern: %s", key_);
-                       free(key_regexp);
-                       key_regexp = NULL;
+                       FREE_AND_NULL(key_regexp);
                        ret = CONFIG_INVALID_PATTERN;
                        goto free_strings;
                }
@@ -235,8 +234,7 @@ static int get_value(const char *key_, const char *regex_)
                regexp = (regex_t*)xmalloc(sizeof(regex_t));
                if (regcomp(regexp, regex_, REG_EXTENDED)) {
                        error("invalid pattern: %s", regex_);
-                       free(regexp);
-                       regexp = NULL;
+                       FREE_AND_NULL(regexp);
                        ret = CONFIG_INVALID_PATTERN;
                        goto free_strings;
                }