Merge branch 'sb/misc-fixes'

Assorted code cleanups and a minor fix.

* sb/misc-fixes:
  diff.c: Do not initialize a variable, which gets reassigned anyway.
  commit: Fix a memory leak in determine_author_info
  daemon.c:handle: Remove unneeded check for null pointer.

builtin/commit.c

@@ -534,7 +534,6 @@ static void determine_author_info(struct strbuf *author_ident)
 					(lb - strlen(" ") -
 					 (a + strlen("\nauthor "))));
 		email = xmemdupz(lb + strlen("<"), rb - (lb + strlen("<")));
-		date = xmemdupz(rb + strlen("> "), eol - (rb + strlen("> ")));
 		len = eol - (rb + strlen("> "));
 		date = xmalloc(len + 2);
 		*date = '@';

daemon.c

@@ -760,7 +760,7 @@ static void handle(int incoming, struct sockaddr *addr, socklen_t addrlen)
 		snprintf(portbuf, sizeof(portbuf), "REMOTE_PORT=%d",
 		    ntohs(sin_addr->sin_port));
 #ifndef NO_IPV6
-	} else if (addr && addr->sa_family == AF_INET6) {
+	} else if (addr->sa_family == AF_INET6) {
 		struct sockaddr_in6 *sin6_addr = (void *) addr;
 
 		char *buf = addrbuf + 12;

diff.c

@@ -1683,9 +1683,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
 		del = deleted;
 
 		if (graph_width <= max_change) {
-			int total = add + del;
-
-			total = scale_linear(add + del, graph_width, max_change);
+			int total = scale_linear(add + del, graph_width, max_change);
 			if (total < 2 && add && del)
 				/* width >= 2 due to the sanity check */
 				total = 2;