Don't crash when passing a NULL message to __astman_get_header.

[asterisk/asterisk.git] / main / manager.c

diff --git a/main/manager.c b/main/manager.c
index 9866e51..19c7b67 100644 (file)
--- a/main/manager.c
+++ b/main/manager.c
@@ -1935,6 +1935,10 @@ static const char *__astman_get_header(const struct message *m, char *var, int m
        int x, l = strlen(var);
        const char *result = "";
 
+       if (!m) {
+               return result;
+       }
+
        for (x = 0; x < m->hdrcount; x++) {
                const char *h = m->headers[x];
                if (!strncasecmp(var, h, l) && h[l] == ':') {