NeilBrown: super1: remove fd leak when opening /dev/urandom

[Martin F. Krafft]

Module: mdadm
Branch: upstream
Commit: 7cbeb80e900d2cbb47c6de75826769b5addb4867
URL:    http://git.debian.org/?p=pkg-mdadm/mdadm.git;a=commit;h=7cbeb80e900d2cbb47c6de75826769b5addb4867

Author: NeilBrown <neilb at suse.de>
Date:   Thu Aug 13 15:02:39 2009 +1000

super1: remove fd leak when opening /dev/urandom

As reported in
   https://bugzilla.novell.com/show_bug.cgi?id=527722

I forgot to close the fd after reading the random number.

Signed-off-by: NeilBrown <neilb at suse.de>

---

 super1.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/super1.c b/super1.c
index 056b93b..fee22a9 100644
--- a/super1.c
+++ b/super1.c
@@ -685,6 +685,8 @@ static int update_super1(struct supertype *st, struct mdinfo *info,
 			__u32 r[4] = {random(), random(), random(), random()};
 			memcpy(sb->device_uuid, r, 16);
 		}
+		if (rfd >= 0)
+			close(rfd);
 
 		sb->dev_roles[i] =
 			__cpu_to_le16(info->disk.raid_disk);