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char: replace avail_connections

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No need to count the users of a CharDriverState, it can rely on the fact
of whether there is a CharBackend associated or if there is enough space
in the muxer.

Simplify and fold chr_mux_new_fe() in qemu_chr_fe_init() since there is
a single user now. Also switch from fprintf to raising error instead.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161022100951.19562-5-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2016-10-22 13:09:41 +03:00 • committed by Paolo Bonzini
parent 58fa54947e
commit 3aef23d7d8
3 changed files with 13 additions and 23 deletions
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1
hw/bt/hci-csr.c
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@ -468,7 +468,6 @@ CharDriverState *uart_hci_init(void)
s->chr.opaque = s;
s->chr.chr_write = csrhci_write;
s->chr.chr_ioctl = csrhci_ioctl;
s->chr.avail_connections = 1;
s->hci = qemu_next_hci();
s->hci->opaque = s;