[PATCH] sulogin: make getpasswd(...) return NULL on ^D

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This makes the caller bail out early instead of evaluating the
input as a password.

Reported-by: Bjørn Mork <bjorn@xxxxxxx>
Addresses: http://bugs.debian.org/846112
Signed-off-by: Andreas Henriksson <andreas@xxxxxxxx>
---
 login-utils/sulogin.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/login-utils/sulogin.c b/login-utils/sulogin.c
index 1c4313a..43117b2 100644
--- a/login-utils/sulogin.c
+++ b/login-utils/sulogin.c
@@ -695,6 +695,7 @@ static char *getpasswd(struct console *con)
 				ptr--;
 			break;
 		case CEOF:
+			ret = NULL;
 			goto quit;
 		default:
 			if ((size_t)(ptr - &pass[0]) >= (sizeof(pass) -1 )) {
-- 
2.10.2

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