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vme: ca91cx42: Improve 12 size determinations 

Replace the specification of data structures by variable references
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Martyn Welch <martyn@welchs.me.uk>
This commit is contained in:
Markus Elfring 2017-08-25 10:56:41 +02:00 committed by Martyn Welch
parent 85fd4939e5
commit 3d9b1e5334
1 changed files with 12 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/vme/bridges/vme_ca91cx42.c
View File

@ -529,7 +529,7 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
image->kern_base = NULL;
kfree(image->bus_resource.name);
release_resource(&image->bus_resource);
memset(&image->bus_resource, 0, sizeof(struct resource));
memset(&image->bus_resource, 0, sizeof(image->bus_resource));
}
if (image->bus_resource.name == NULL) {
@ -572,7 +572,7 @@ err_remap:
release_resource(&image->bus_resource);
err_resource:
kfree(image->bus_resource.name);
memset(&image->bus_resource, 0, sizeof(struct resource));
memset(&image->bus_resource, 0, sizeof(image->bus_resource));
err_name:
return retval;
}
@ -586,7 +586,7 @@ static void ca91cx42_free_resource(struct vme_master_resource *image)
image->kern_base = NULL;
release_resource(&image->bus_resource);
kfree(image->bus_resource.name);
memset(&image->bus_resource, 0, sizeof(struct resource));
memset(&image->bus_resource, 0, sizeof(image->bus_resource));
}
@ -1034,7 +1034,7 @@ static int ca91cx42_dma_list_add(struct vme_dma_list *list,
dev = list->parent->parent->parent;
/* XXX descriptor must be aligned on 64-bit boundaries */
entry = kmalloc(sizeof(struct ca91cx42_dma_entry), GFP_KERNEL);
entry = kmalloc(sizeof(*entry), GFP_KERNEL);
if (entry == NULL) {
retval = -ENOMEM;
goto err_mem;
@ -1048,7 +1048,7 @@ static int ca91cx42_dma_list_add(struct vme_dma_list *list,
goto err_align;
}
memset(&entry->descriptor, 0, sizeof(struct ca91cx42_dma_descriptor));
memset(&entry->descriptor, 0, sizeof(entry->descriptor));
if (dest->type == VME_DMA_VME) {
entry->descriptor.dctl |= CA91CX42_DCTL_L2V;
@ -1614,16 +1614,14 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* We want to support more than one of each bridge so we need to
* dynamically allocate the bridge structure
*/
ca91cx42_bridge = kzalloc(sizeof(struct vme_bridge), GFP_KERNEL);
ca91cx42_bridge = kzalloc(sizeof(*ca91cx42_bridge), GFP_KERNEL);
if (ca91cx42_bridge == NULL) {
retval = -ENOMEM;
goto err_struct;
}
vme_init_bridge(ca91cx42_bridge);
ca91cx42_device = kzalloc(sizeof(struct ca91cx42_driver), GFP_KERNEL);
ca91cx42_device = kzalloc(sizeof(*ca91cx42_device), GFP_KERNEL);
if (ca91cx42_device == NULL) {
retval = -ENOMEM;
goto err_driver;
@ -1680,8 +1678,7 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* Add master windows to list */
for (i = 0; i < CA91C142_MAX_MASTER; i++) {
master_image = kmalloc(sizeof(struct vme_master_resource),
GFP_KERNEL);
master_image = kmalloc(sizeof(*master_image), GFP_KERNEL);
if (master_image == NULL) {
retval = -ENOMEM;
goto err_master;
@ -1696,7 +1693,7 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
VME_SUPER | VME_USER | VME_PROG | VME_DATA;
master_image->width_attr = VME_D8 | VME_D16 | VME_D32 | VME_D64;
memset(&master_image->bus_resource, 0,
sizeof(struct resource));
sizeof(master_image->bus_resource));
master_image->kern_base = NULL;
list_add_tail(&master_image->list,
&ca91cx42_bridge->master_resources);
@ -1704,8 +1701,7 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* Add slave windows to list */
for (i = 0; i < CA91C142_MAX_SLAVE; i++) {
slave_image = kmalloc(sizeof(struct vme_slave_resource),
GFP_KERNEL);
slave_image = kmalloc(sizeof(*slave_image), GFP_KERNEL);
if (slave_image == NULL) {
retval = -ENOMEM;
goto err_slave;
@ -1729,8 +1725,7 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* Add dma engines to list */
for (i = 0; i < CA91C142_MAX_DMA; i++) {
dma_ctrlr = kmalloc(sizeof(struct vme_dma_resource),
GFP_KERNEL);
dma_ctrlr = kmalloc(sizeof(*dma_ctrlr), GFP_KERNEL);
if (dma_ctrlr == NULL) {
retval = -ENOMEM;
goto err_dma;
@ -1748,7 +1743,7 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
/* Add location monitor to list */
lm = kmalloc(sizeof(struct vme_lm_resource), GFP_KERNEL);
lm = kmalloc(sizeof(*lm), GFP_KERNEL);
if (lm == NULL) {
retval = -ENOMEM;
goto err_lm;