From: Ken Raeburn <raeburn@mit.edu>
Date: Sat, 3 Mar 2001 22:05:29 +0000 (+0000)
Subject: only call ioctl on /dev/random if open succeeded
X-Git-Tag: krb5-1.3-alpha1~1647
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=789117bd6e52853fc4a158b615356199888a8f93;p=krb5.git

only call ioctl on /dev/random if open succeeded

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@13051 dc483132-0cff-0310-8789-dd5450dbe970
---

diff --git a/src/lib/krb5/os/init_os_ctx.c b/src/lib/krb5/os/init_os_ctx.c
index f72d643f1..076c16ae4 100644
--- a/src/lib/krb5/os/init_os_ctx.c
+++ b/src/lib/krb5/os/init_os_ctx.c
@@ -466,7 +466,9 @@ krb5_os_init_context(ctx)
 		if (tmp == -1) {
 			int dontblock = 1;
 			tmp = open ("/dev/random", O_RDONLY);
-			(void) ioctl (tmp, FIONBIO, (char *) &dontblock);
+			if (tmp != -1)
+				(void) ioctl (tmp, FIONBIO,
+					      (char *) &dontblock);
 		}
 		if (tmp != -1) {
 			/* If this doesn't work, should we continue or