[PATCH 1/2] Make sure that git_getpass() never returns NULL

[Pat Thoyts <patthoyts@users.sourceforge.net>]

From: Johannes Schindelin <johannes.schindelin@gmx.de>

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>
---
 connect.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/connect.c b/connect.c
index 3450cab..57dc20c 100644
--- 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;
-- 
1.7.3