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xen/intr: always set xi_close in xen_intr_bind_isrc()

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Appears errors are uncommon since calling xen_intr_release_isrc() on a
xenisrc with xi_close in an undefined state could be bad.  Fix this
problematic lurking nasty.

Reviewed by: royger
MFC after: 1 week
This commit is contained in:
Elliott Mitchell 2022-10-11 12:25:12 -07:00 committed by Roger Pau Monné
parent c33db74b53
commit 2d5e325303
1 changed files with 2 additions and 0 deletions
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2
sys/x86/xen/xen_intr.c
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@ -6,6 +6,7 @@
* Copyright (c) 2002-2005, K A Fraser
* Copyright (c) 2005, Intel Corporation <xiaofeng.ling@intel.com>
* Copyright (c) 2012, Spectra Logic Corporation
* Copyright © 2021-2023, Elliott Mitchell
*
* This file may be distributed separately from the Linux kernel, or
* incorporated into other software packages, subject to the following license:
@ -420,6 +421,7 @@ xen_intr_bind_isrc(struct xenisrc **isrcp, evtchn_port_t local_port,
}
}
isrc->xi_port = local_port;
isrc->xi_close = 0;
xen_intr_port_to_isrc[local_port] = isrc;
refcount_init(&isrc->xi_refcount, 1);
mtx_unlock(&xen_intr_isrc_lock);