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hw/vfio: Use lock guard macros 

Use qemu LOCK_GUARD macros in hw/vfio.
Saves manual unlock calls

Signed-off-by: Amey Narkhede <ameynarkhede03@gmail.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Amey Narkhede 2020-10-23 18:13:42 +05:30 committed by Alex Williamson
parent 1e7552ff5c
commit 88eef59796
1 changed files with 2 additions and 5 deletions
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7
hw/vfio/platform.c
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@ -166,7 +166,7 @@ static void vfio_intp_mmap_enable(void *opaque)
VFIOINTp *tmp;
VFIOPlatformDevice *vdev = (VFIOPlatformDevice *)opaque;
qemu_mutex_lock(&vdev->intp_mutex);
QEMU_LOCK_GUARD(&vdev->intp_mutex);
QLIST_FOREACH(tmp, &vdev->intp_list, next) {
if (tmp->state == VFIO_IRQ_ACTIVE) {
trace_vfio_platform_intp_mmap_enable(tmp->pin);
@ -174,12 +174,10 @@ static void vfio_intp_mmap_enable(void *opaque)
timer_mod(vdev->mmap_timer,
qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) +
vdev->mmap_timeout);
qemu_mutex_unlock(&vdev->intp_mutex);
return;
}
}
vfio_mmap_set_enabled(vdev, true);
qemu_mutex_unlock(&vdev->intp_mutex);
}
/**
@ -289,7 +287,7 @@ static void vfio_platform_eoi(VFIODevice *vbasedev)
VFIOPlatformDevice *vdev =
container_of(vbasedev, VFIOPlatformDevice, vbasedev);
qemu_mutex_lock(&vdev->intp_mutex);
QEMU_LOCK_GUARD(&vdev->intp_mutex);
QLIST_FOREACH(intp, &vdev->intp_list, next) {
if (intp->state == VFIO_IRQ_ACTIVE) {
trace_vfio_platform_eoi(intp->pin,
@ -314,7 +312,6 @@ static void vfio_platform_eoi(VFIODevice *vbasedev)
vfio_intp_inject_pending_lockheld(intp);
QSIMPLEQ_REMOVE_HEAD(&vdev->pending_intp_queue, pqnext);
}
qemu_mutex_unlock(&vdev->intp_mutex);
}
/**