Fix repo-config set-multivar error return path.

This hopefully fixes the problem an earlier commit 5d8ee9ceb attemted
to fix.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/config.c b/config.c
index 11d65f8..adb5ce4 100644 (file)
--- a/config.c
+++ b/config.c
@@ -420,7 +420,7 @@ int git_config_set_multivar(const char* key, const char* value,
        const char* value_regex, int multi_replace)
 {
        int i;
-       int fd, in_fd;
+       int fd = -1, in_fd;
        int ret;
        char* config_filename = strdup(git_path("config"));
        char* lock_file = strdup(git_path("config.lock"));
@@ -478,15 +478,11 @@ int git_config_set_multivar(const char* key, const char* value,
                if ( ENOENT != errno ) {
                        error("opening %s: %s", config_filename,
                              strerror(errno));
-                       close(fd);
-                       unlink(lock_file);
                        ret = 3; /* same as "invalid config file" */
                        goto out_free;
                }
                /* if nothing to unset, error out */
                if (value == NULL) {
-                       close(fd);
-                       unlink(lock_file);
                        ret = 5;
                        goto out_free;
                }
@@ -514,8 +510,6 @@ int git_config_set_multivar(const char* key, const char* value,
                                fprintf(stderr, "Invalid pattern: %s\n",
                                        value_regex);
                                free(store.value_regex);
-                               close(fd);
-                               unlink(lock_file);
                                ret = 6;
                                goto out_free;
                        }
@@ -551,8 +545,6 @@ int git_config_set_multivar(const char* key, const char* value,
                /* if nothing to unset, or too many matches, error out */
                if ((store.seen == 0 && value == NULL) ||
                                (store.seen > 1 && multi_replace == 0)) {
-                       close(fd);
-                       unlink(lock_file);
                        ret = 5;
                        goto out_free;
                }
@@ -601,8 +593,6 @@ int git_config_set_multivar(const char* key, const char* value,
                unlink(config_filename);
        }
 
-       close(fd);
-
        if (rename(lock_file, config_filename) < 0) {
                fprintf(stderr, "Could not rename the lock file?\n");
                ret = 4;
@@ -612,10 +602,14 @@ int git_config_set_multivar(const char* key, const char* value,
        ret = 0;
 
 out_free:
+       if (0 <= fd)
+               close(fd);
        if (config_filename)
                free(config_filename);
-       if (lock_file)
+       if (lock_file) {
+               unlink(lock_file);
                free(lock_file);
+       }
        return ret;
 }