From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Sat, 22 Jan 2011 16:29:53 +0000 (+0100)
Subject: getty: more correct check for O_RDWR
X-Git-Tag: 1_19_0~392
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=006416e8fe63996b86bf614496ce71d83d9b9057;p=oweals%2Fbusybox.git

getty: more correct check for O_RDWR

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/loginutils/getty.c b/loginutils/getty.c
index 94c9147ab..015f077d6 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -268,7 +268,7 @@ static void open_tty(const char *tty)
 		 * Standard input should already be connected to an open port. Make
 		 * sure it is open for read/write.
 		 */
-		if ((fcntl(0, F_GETFL) & O_RDWR) != O_RDWR)
+		if ((fcntl(0, F_GETFL) & (O_RDWR|O_RDONLY|O_WRONLY)) != O_RDWR)
 			bb_error_msg_and_die("stdin is not open for read/write");
 	}
 }