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vfio: 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).  Same Coccinelle semantic patch as in commit b45c03f.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Markus Armbruster 2015-11-10 12:11:08 -07:00 committed by Alex Williamson
parent 0282abf078
commit bdd81addf4
3 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
hw/vfio/pci-quirks.c
View File

@ -284,7 +284,7 @@ static void vfio_vga_probe_ati_3c3_quirk(VFIOPCIDevice *vdev)
}
quirk = g_malloc0(sizeof(*quirk));
quirk->mem = g_malloc0(sizeof(MemoryRegion));
quirk->mem = g_new0(MemoryRegion, 1);
quirk->nr_mem = 1;
memory_region_init_io(quirk->mem, OBJECT(vdev), &vfio_ati_3c3_quirk, vdev,
@ -319,7 +319,7 @@ static void vfio_probe_ati_bar4_quirk(VFIOPCIDevice *vdev, int nr)
}
quirk = g_malloc0(sizeof(*quirk));
quirk->mem = g_malloc0(sizeof(MemoryRegion) * 2);
quirk->mem = g_new0(MemoryRegion, 2);
quirk->nr_mem = 2;
window = quirk->data = g_malloc0(sizeof(*window) +
sizeof(VFIOConfigWindowMatch));
@ -368,7 +368,7 @@ static void vfio_probe_ati_bar2_quirk(VFIOPCIDevice *vdev, int nr)
quirk = g_malloc0(sizeof(*quirk));
mirror = quirk->data = g_malloc0(sizeof(*mirror));
mirror->mem = quirk->mem = g_malloc0(sizeof(MemoryRegion));
mirror->mem = quirk->mem = g_new0(MemoryRegion, 1);
quirk->nr_mem = 1;
mirror->vdev = vdev;
mirror->offset = 0x4000;
@ -544,7 +544,7 @@ static void vfio_vga_probe_nvidia_3d0_quirk(VFIOPCIDevice *vdev)
quirk = g_malloc0(sizeof(*quirk));
quirk->data = data = g_malloc0(sizeof(*data));
quirk->mem = g_malloc0(sizeof(MemoryRegion) * 2);
quirk->mem = g_new0(MemoryRegion, 2);
quirk->nr_mem = 2;
data->vdev = vdev;
@ -661,7 +661,7 @@ static void vfio_probe_nvidia_bar5_quirk(VFIOPCIDevice *vdev, int nr)
}
quirk = g_malloc0(sizeof(*quirk));
quirk->mem = g_malloc0(sizeof(MemoryRegion) * 4);
quirk->mem = g_new0(MemoryRegion, 4);
quirk->nr_mem = 4;
bar5 = quirk->data = g_malloc0(sizeof(*bar5) +
(sizeof(VFIOConfigWindowMatch) * 2));
@ -756,7 +756,7 @@ static void vfio_probe_nvidia_bar0_quirk(VFIOPCIDevice *vdev, int nr)
quirk = g_malloc0(sizeof(*quirk));
mirror = quirk->data = g_malloc0(sizeof(*mirror));
mirror->mem = quirk->mem = g_malloc0(sizeof(MemoryRegion));
mirror->mem = quirk->mem = g_new0(MemoryRegion, 1);
quirk->nr_mem = 1;
mirror->vdev = vdev;
mirror->offset = 0x88000;
@ -775,7 +775,7 @@ static void vfio_probe_nvidia_bar0_quirk(VFIOPCIDevice *vdev, int nr)
if (vdev->has_vga) {
quirk = g_malloc0(sizeof(*quirk));
mirror = quirk->data = g_malloc0(sizeof(*mirror));
mirror->mem = quirk->mem = g_malloc0(sizeof(MemoryRegion));
mirror->mem = quirk->mem = g_new0(MemoryRegion, 1);
quirk->nr_mem = 1;
mirror->vdev = vdev;
mirror->offset = 0x1800;
@ -938,7 +938,7 @@ static void vfio_probe_rtl8168_bar2_quirk(VFIOPCIDevice *vdev, int nr)
}
quirk = g_malloc0(sizeof(*quirk));
quirk->mem = g_malloc0(sizeof(MemoryRegion) * 2);
quirk->mem = g_new0(MemoryRegion, 2);
quirk->nr_mem = 2;
quirk->data = rtl = g_malloc0(sizeof(*rtl));
rtl->vdev = vdev;

4
hw/vfio/pci.c
View File

@ -587,7 +587,7 @@ static void vfio_msix_enable(VFIOPCIDevice *vdev)
{
vfio_disable_interrupts(vdev);
vdev->msi_vectors = g_malloc0(vdev->msix->entries * sizeof(VFIOMSIVector));
vdev->msi_vectors = g_new0(VFIOMSIVector, vdev->msix->entries);
vdev->interrupt = VFIO_INT_MSIX;
@ -623,7 +623,7 @@ static void vfio_msi_enable(VFIOPCIDevice *vdev)
vdev->nr_vectors = msi_nr_vectors_allocated(&vdev->pdev);
retry:
vdev->msi_vectors = g_malloc0(vdev->nr_vectors * sizeof(VFIOMSIVector));
vdev->msi_vectors = g_new0(VFIOMSIVector, vdev->nr_vectors);
for (i = 0; i < vdev->nr_vectors; i++) {
VFIOMSIVector *vector = &vdev->msi_vectors[i];

2
hw/vfio/platform.c
View File

@ -478,7 +478,7 @@ static int vfio_populate_device(VFIODevice *vbasedev)
struct vfio_region_info reg_info = { .argsz = sizeof(reg_info) };
VFIORegion *ptr;
vdev->regions[i] = g_malloc0(sizeof(VFIORegion));
vdev->regions[i] = g_new0(VFIORegion, 1);
ptr = vdev->regions[i];
reg_info.index = i;
ret = ioctl(vbasedev->fd, VFIO_DEVICE_GET_REGION_INFO, &reg_info);