Make sure that git_getpass() never returns NULL

The result of git_getpass() is used without checking for NULL, so let's
just die() instead of returning NULL.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/connect.c b/connect.c
index 3450cabd0e3281e0eeedeb35d331b95bf95f5afb..57dc20c43ca1ba205ec0a18e263f9dde081390f4 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -631,8 +631,12 @@ char *git_getpass(const char *prompt)
                askpass = askpass_program;
        if (!askpass)
                askpass = getenv("SSH_ASKPASS");
-       if (!askpass || !(*askpass))
-               return getpass(prompt);
+       if (!askpass || !(*askpass)) {
+               char *result = getpass(prompt);
+               if (!result)
+                       die_errno("Could not read password");
+               return result;
+       }
 
        args[0] = askpass;
        args[1] = prompt;