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authorMarkus Armbruster <armbru@redhat.com>2022-03-15 15:41:56 +0100
committerMarkus Armbruster <armbru@redhat.com>2022-03-21 15:44:44 +0100
commitb21e2380376c470900fcadf47507f4d5ade75e85 (patch)
tree7fd41d348f85d6ef66d6f10ca4df241ba0e74f83 /hw/virtio
parent1366244ab6d0c83bf0f90270e5bb608651a3cc8f (diff)
downloadfocaccia-qemu-b21e2380376c470900fcadf47507f4d5ade75e85.tar.gz
focaccia-qemu-b21e2380376c470900fcadf47507f4d5ade75e85.zip
Use g_new() & friends where that makes obvious sense
g_new(T, n) is neater than g_malloc(sizeof(T) * n).  It's also safer,
for two reasons.  One, it catches multiplication overflowing size_t.
Two, it returns T * rather than void *, which lets the compiler catch
more type errors.

This commit only touches allocations with size arguments of the form
sizeof(T).

Patch created mechanically with:

    $ spatch --in-place --sp-file scripts/coccinelle/use-g_new-etc.cocci \
	     --macro-file scripts/cocci-macro-file.h FILES...

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20220315144156.1595462-4-armbru@redhat.com>
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Diffstat (limited to 'hw/virtio')
-rw-r--r--hw/virtio/virtio-crypto.c2
-rw-r--r--hw/virtio/virtio-iommu.c2
-rw-r--r--hw/virtio/virtio.c5
3 files changed, 4 insertions, 5 deletions
diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c
index 54f9bbb789..dcd80b904d 100644
--- a/hw/virtio/virtio-crypto.c
+++ b/hw/virtio/virtio-crypto.c
@@ -812,7 +812,7 @@ static void virtio_crypto_device_realize(DeviceState *dev, Error **errp)
 
     virtio_init(vdev, "virtio-crypto", VIRTIO_ID_CRYPTO, vcrypto->config_size);
     vcrypto->curr_queues = 1;
-    vcrypto->vqs = g_malloc0(sizeof(VirtIOCryptoQueue) * vcrypto->max_queues);
+    vcrypto->vqs = g_new0(VirtIOCryptoQueue, vcrypto->max_queues);
     for (i = 0; i < vcrypto->max_queues; i++) {
         vcrypto->vqs[i].dataq =
                  virtio_add_queue(vdev, 1024, virtio_crypto_handle_dataq_bh);
diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c
index 239fe97b12..664cbd9583 100644
--- a/hw/virtio/virtio-iommu.c
+++ b/hw/virtio/virtio-iommu.c
@@ -316,7 +316,7 @@ static AddressSpace *virtio_iommu_find_add_as(PCIBus *bus, void *opaque,
         char *name = g_strdup_printf("%s-%d-%d",
                                      TYPE_VIRTIO_IOMMU_MEMORY_REGION,
                                      mr_index++, devfn);
-        sdev = sbus->pbdev[devfn] = g_malloc0(sizeof(IOMMUDevice));
+        sdev = sbus->pbdev[devfn] = g_new0(IOMMUDevice, 1);
 
         sdev->viommu = s;
         sdev->bus = bus;
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 9e8f51dfb0..32b1859391 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -2380,8 +2380,7 @@ VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size,
     vdev->vq[i].vring.num_default = queue_size;
     vdev->vq[i].vring.align = VIRTIO_PCI_VRING_ALIGN;
     vdev->vq[i].handle_output = handle_output;
-    vdev->vq[i].used_elems = g_malloc0(sizeof(VirtQueueElement) *
-                                       queue_size);
+    vdev->vq[i].used_elems = g_new0(VirtQueueElement, queue_size);
 
     return &vdev->vq[i];
 }
@@ -3228,7 +3227,7 @@ void virtio_init(VirtIODevice *vdev, const char *name,
     qatomic_set(&vdev->isr, 0);
     vdev->queue_sel = 0;
     vdev->config_vector = VIRTIO_NO_VECTOR;
-    vdev->vq = g_malloc0(sizeof(VirtQueue) * VIRTIO_QUEUE_MAX);
+    vdev->vq = g_new0(VirtQueue, VIRTIO_QUEUE_MAX);
     vdev->vm_running = runstate_is_running();
     vdev->broken = false;
     for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {