hw/vfio/ccw.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-)
Also change the return value of vfio_ccw_register_irq_notifier() to be
a bool since it takes and 'Error **' argument. See the qapi/error.h
Rules section.
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
hw/vfio/ccw.c | 25 +++++++++++--------------
1 file changed, 11 insertions(+), 14 deletions(-)
diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
index 90e4a534371684c08e112364e1537eb8979f73f4..1c630f6e9abe93ae0c2b5615d4409669f096c8c9 100644
--- a/hw/vfio/ccw.c
+++ b/hw/vfio/ccw.c
@@ -379,12 +379,12 @@ read_err:
css_inject_io_interrupt(sch);
}
-static void vfio_ccw_register_irq_notifier(VFIOCCWDevice *vcdev,
+static bool vfio_ccw_register_irq_notifier(VFIOCCWDevice *vcdev,
unsigned int irq,
Error **errp)
{
VFIODevice *vdev = &vcdev->vdev;
- struct vfio_irq_info *irq_info;
+ g_autofree struct vfio_irq_info *irq_info = NULL;
size_t argsz;
int fd;
EventNotifier *notifier;
@@ -405,13 +405,13 @@ static void vfio_ccw_register_irq_notifier(VFIOCCWDevice *vcdev,
break;
default:
error_setg(errp, "vfio: Unsupported device irq(%d)", irq);
- return;
+ return false;
}
if (vdev->num_irqs < irq + 1) {
error_setg(errp, "vfio: IRQ %u not available (number of irqs %u)",
irq, vdev->num_irqs);
- return;
+ return false;
}
argsz = sizeof(*irq_info);
@@ -421,14 +421,14 @@ static void vfio_ccw_register_irq_notifier(VFIOCCWDevice *vcdev,
if (ioctl(vdev->fd, VFIO_DEVICE_GET_IRQ_INFO,
irq_info) < 0 || irq_info->count < 1) {
error_setg_errno(errp, errno, "vfio: Error getting irq info");
- goto out_free_info;
+ return false;
}
if (event_notifier_init(notifier, 0)) {
error_setg_errno(errp, errno,
"vfio: Unable to init event notifier for irq (%d)",
irq);
- goto out_free_info;
+ return false;
}
fd = event_notifier_get_fd(notifier);
@@ -440,8 +440,7 @@ static void vfio_ccw_register_irq_notifier(VFIOCCWDevice *vcdev,
event_notifier_cleanup(notifier);
}
-out_free_info:
- g_free(irq_info);
+ return true;
}
static void vfio_ccw_unregister_irq_notifier(VFIOCCWDevice *vcdev,
@@ -605,20 +604,18 @@ static void vfio_ccw_realize(DeviceState *dev, Error **errp)
goto out_region_err;
}
- vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_IO_IRQ_INDEX, &err);
- if (err) {
+ if (!vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_IO_IRQ_INDEX, &err)) {
goto out_io_notifier_err;
}
if (vcdev->crw_region) {
- vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_CRW_IRQ_INDEX, &err);
- if (err) {
+ if (!vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_CRW_IRQ_INDEX,
+ &err)) {
goto out_irq_notifier_err;
}
}
- vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_REQ_IRQ_INDEX, &err);
- if (err) {
+ if (!vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_REQ_IRQ_INDEX, &err)) {
/*
* Report this error, but do not make it a failing condition.
* Lack of this IRQ in the host does not prevent normal operation.
--
2.44.0
Cédric Le Goater <clg@redhat.com> writes: > Also change the return value of vfio_ccw_register_irq_notifier() to be > a bool since it takes and 'Error **' argument. See the qapi/error.h > Rules section. > > Signed-off-by: Cédric Le Goater <clg@redhat.com> My comments on "[PATCH] vfio/ap: Use g_autofree variable" apply. More inline. > --- > hw/vfio/ccw.c | 25 +++++++++++-------------- > 1 file changed, 11 insertions(+), 14 deletions(-) > > diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c > index 90e4a534371684c08e112364e1537eb8979f73f4..1c630f6e9abe93ae0c2b5615d4409669f096c8c9 100644 > --- a/hw/vfio/ccw.c > +++ b/hw/vfio/ccw.c > @@ -379,12 +379,12 @@ read_err: > css_inject_io_interrupt(sch); > } > > -static void vfio_ccw_register_irq_notifier(VFIOCCWDevice *vcdev, > +static bool vfio_ccw_register_irq_notifier(VFIOCCWDevice *vcdev, > unsigned int irq, > Error **errp) > { > VFIODevice *vdev = &vcdev->vdev; > - struct vfio_irq_info *irq_info; > + g_autofree struct vfio_irq_info *irq_info = NULL; > size_t argsz; > int fd; > EventNotifier *notifier; > @@ -405,13 +405,13 @@ static void vfio_ccw_register_irq_notifier(VFIOCCWDevice *vcdev, > break; > default: > error_setg(errp, "vfio: Unsupported device irq(%d)", irq); > - return; > + return false; > } > > if (vdev->num_irqs < irq + 1) { > error_setg(errp, "vfio: IRQ %u not available (number of irqs %u)", > irq, vdev->num_irqs); > - return; > + return false; > } > > argsz = sizeof(*irq_info); > @@ -421,14 +421,14 @@ static void vfio_ccw_register_irq_notifier(VFIOCCWDevice *vcdev, > if (ioctl(vdev->fd, VFIO_DEVICE_GET_IRQ_INFO, > irq_info) < 0 || irq_info->count < 1) { > error_setg_errno(errp, errno, "vfio: Error getting irq info"); > - goto out_free_info; > + return false; > } > > if (event_notifier_init(notifier, 0)) { > error_setg_errno(errp, errno, > "vfio: Unable to init event notifier for irq (%d)", > irq); > - goto out_free_info; > + return false; > } > > fd = event_notifier_get_fd(notifier); > @@ -440,8 +440,7 @@ static void vfio_ccw_register_irq_notifier(VFIOCCWDevice *vcdev, > event_notifier_cleanup(notifier); > } > > -out_free_info: > - g_free(irq_info); > + return true; > } > > static void vfio_ccw_unregister_irq_notifier(VFIOCCWDevice *vcdev, > @@ -605,20 +604,18 @@ static void vfio_ccw_realize(DeviceState *dev, Error **errp) > goto out_region_err; > } > > - vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_IO_IRQ_INDEX, &err); > - if (err) { > + if (!vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_IO_IRQ_INDEX, &err)) { Please pass errp instead of &err. > goto out_io_notifier_err; > } > > if (vcdev->crw_region) { > - vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_CRW_IRQ_INDEX, &err); > - if (err) { > + if (!vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_CRW_IRQ_INDEX, > + &err)) { Likewise. > goto out_irq_notifier_err; > } > } > > - vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_REQ_IRQ_INDEX, &err); > - if (err) { > + if (!vfio_ccw_register_irq_notifier(vcdev, VFIO_CCW_REQ_IRQ_INDEX, &err)) { > /* > * Report this error, but do not make it a failing condition. > * Lack of this IRQ in the host does not prevent normal operation. Reviewed-by: Markus Armbruster <armbru@redhat.com>
On 24/04/2024 14.54, Cédric Le Goater wrote: > Also change the return value of vfio_ccw_register_irq_notifier() to be > a bool since it takes and 'Error **' argument. See the qapi/error.h > Rules section. > > Signed-off-by: Cédric Le Goater <clg@redhat.com> > --- > hw/vfio/ccw.c | 25 +++++++++++-------------- > 1 file changed, 11 insertions(+), 14 deletions(-) Reviewed-by: Thomas Huth <thuth@redhat.com>
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