X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/e52040bf90b034aebbfa32756638a24d6b1b3712..ec79265f2053e6dc20e0ec486719f5954d2be83d:/ui-diff.c

diff --git a/ui-diff.c b/ui-diff.c
index a53425d..d21541b 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -172,8 +172,11 @@ void cgit_print_diffstat(const unsigned char *old_sha1,
 	html("<div class='diffstat-header'>");
 	cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
 		       ctx.qry.sha2, NULL, 0);
-	if (prefix)
-		htmlf(" (limited to '%s')", prefix);
+	if (prefix) {
+		html(" (limited to '");
+		html_txt(prefix);
+		html("')");
+	}
 	html(" (");
 	ctx.qry.context = (save_context > 0 ? save_context : 3) << 1;
 	cgit_self_link("more", NULL, NULL, &ctx);
@@ -342,8 +345,10 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
 		return;
 	}
 	commit = lookup_commit_reference(new_rev_sha1);
-	if (!commit || parse_commit(commit))
+	if (!commit || parse_commit(commit)) {
 		cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(new_rev_sha1)));
+		return;
+	}
 
 	if (old_rev)
 		get_sha1(old_rev, old_rev_sha1);
@@ -359,8 +364,10 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
 			return;
 		}
 		commit2 = lookup_commit_reference(old_rev_sha1);
-		if (!commit2 || parse_commit(commit2))
+		if (!commit2 || parse_commit(commit2)) {
 			cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1)));
+			return;
+		}
 	}
 
 	if ((ctx.qry.ssdiff && !ctx.cfg.ssdiff) || (!ctx.qry.ssdiff && ctx.cfg.ssdiff))