[PATCH 31/34] utf8: release strbuf on error return in strbuf_utf8_replace()

[Rene Scharfe <l.s.r@xxxxxx>]

Signed-off-by: Rene Scharfe <l.s.r@xxxxxx>
---
 utf8.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/utf8.c b/utf8.c
index 0c8e011a58..47a42047c8 100644
--- a/utf8.c
+++ b/utf8.c
@@ -354,49 +354,50 @@ void strbuf_add_wrapped_bytes(struct strbuf *buf, const char *data, int len,
 void strbuf_utf8_replace(struct strbuf *sb_src, int pos, int width,
 			 const char *subst)
 {
 	struct strbuf sb_dst = STRBUF_INIT;
 	char *src = sb_src->buf;
 	char *end = src + sb_src->len;
 	char *dst;
 	int w = 0, subst_len = 0;
 
 	if (subst)
 		subst_len = strlen(subst);
 	strbuf_grow(&sb_dst, sb_src->len + subst_len);
 	dst = sb_dst.buf;
 
 	while (src < end) {
 		char *old;
 		size_t n;
 
 		while ((n = display_mode_esc_sequence_len(src))) {
 			memcpy(dst, src, n);
 			src += n;
 			dst += n;
 		}
 
 		if (src >= end)
 			break;
 
 		old = src;
 		n = utf8_width((const char**)&src, NULL);
 		if (!src) 	/* broken utf-8, do nothing */
-			return;
+			goto out;
 		if (n && w >= pos && w < pos + width) {
 			if (subst) {
 				memcpy(dst, subst, subst_len);
 				dst += subst_len;
 				subst = NULL;
 			}
 			w += n;
 			continue;
 		}
 		memcpy(dst, old, src - old);
 		dst += src - old;
 		w += n;
 	}
 	strbuf_setlen(&sb_dst, dst - sb_dst.buf);
 	strbuf_swap(sb_src, &sb_dst);
+out:
 	strbuf_release(&sb_dst);
 }
 
-- 
2.14.1