credential: handle invalid arguments earlier

diff --git a/commit.c b/commit.c
index fab8269731b4764351c7b68543337ded138d4aab..73c78c2b80c1a21e83f1942347a76fb76511a0d3 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -415,8 +415,7 @@ int find_commit_subject(const char *commit_buffer, const char **subject)
                p++;
        if (*p) {
                p = skip_blank_lines(p + 2);
-               for (eol = p; *eol && *eol != '\n'; eol++)
-                       ; /* do nothing */
+               eol = strchrnul(p, '\n');
        } else
                eol = p;