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authorMarkus Elfring <elfring@users.sourceforge.net>2017-08-25 10:56:41 +0200
committerMartyn Welch <martyn.welch@collabora.co.uk>2017-10-13 21:32:03 +0100
commit3d9b1e53343651e514644f2a6d4ce00b362f4033 (patch)
treedaf758cdcada0107d15be11aa4eda8e17f9df4bf /drivers/vme
parentvme: ca91cx42: Delete eight error messages for a failed memory allocation (diff)
downloadlinux-dev-3d9b1e53343651e514644f2a6d4ce00b362f4033.tar.xz
linux-dev-3d9b1e53343651e514644f2a6d4ce00b362f4033.zip
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>
Diffstat (limited to 'drivers/vme')
-rw-r--r--drivers/vme/bridges/vme_ca91cx42.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/drivers/vme/bridges/vme_ca91cx42.c b/drivers/vme/bridges/vme_ca91cx42.c
index d25f997e8aeb..61990c7f4543 100644
--- a/drivers/vme/bridges/vme_ca91cx42.c
+++ b/drivers/vme/bridges/vme_ca91cx42.c
@@ -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;