raw-posix: Use qemu_dup

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2016-06-22 20:53:20 +08:00 committed by Kevin Wolf
parent 761d1ddf25
commit 5af7045bd0

View File

@ -639,15 +639,7 @@ static int raw_reopen_prepare(BDRVReopenState *state,
if ((raw_s->open_flags & ~fcntl_flags) == (s->open_flags & ~fcntl_flags)) {
/* dup the original fd */
/* TODO: use qemu fcntl wrapper */
#ifdef F_DUPFD_CLOEXEC
raw_s->fd = fcntl(s->fd, F_DUPFD_CLOEXEC, 0);
#else
raw_s->fd = dup(s->fd);
if (raw_s->fd != -1) {
qemu_set_cloexec(raw_s->fd);
}
#endif
raw_s->fd = qemu_dup(s->fd);
if (raw_s->fd >= 0) {
ret = fcntl_setfl(raw_s->fd, raw_s->open_flags);
if (ret) {