qemu-nbd: handle dup2() error when qemu-nbd finished setup process
commit173776f74d072f375b3815a4beaa6ddc7bf26cab
authorDenis V. Lunev <den@openvz.org>
Mon, 17 Jul 2023 14:55:44 +0000 (17 16:55 +0200)
committerEric Blake <eblake@redhat.com>
Wed, 19 Jul 2023 20:25:27 +0000 (19 15:25 -0500)
treed0f00a0426af6e18a6318aafba9ab348391fade1
parente0892ced0534b1009d009e32c3e338456018ab15
qemu-nbd: handle dup2() error when qemu-nbd finished setup process

Fail on error, we are in trouble.

Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Eric Blake <eblake@redhat.com>
CC: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-ID: <20230717145544.194786-6-den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: avoid intermediate variable]
Signed-off-by: Eric Blake <eblake@redhat.com>
qemu-nbd.c