btrfs-progs: check for open failure, don't close
authorZach Brown <zab@redhat.com>
Tue, 22 Jan 2013 21:48:04 +0000 (13:48 -0800)
committerZach Brown <zab@redhat.com>
Wed, 6 Feb 2013 00:09:39 +0000 (16:09 -0800)
commit7c9f323a7c9c7a0d7b516ed9974308bde4017ae2
tree359efd9416e508df5b5baeb8798c43099def9334
parent201238df269cfa8fa002b3be0ad327b48228e45c
btrfs-progs: check for open failure, don't close

Check for failure by testing for a negative file descriptor, not a
descriptor of 0.  And if it failed we have nothing to close().

Signed-off-by: Zach Brown <zab@redhat.com>
cmds-device.c