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authorMarkus Elfring <elfring@users.sourceforge.net>2017-08-24 21:38:20 +0200
committerMartyn Welch <martyn.welch@collabora.co.uk>2017-10-13 22:32:00 +0200
commit94eefcc1cb648a6a14fe0d7a79da48d0a33ca781 (patch)
tree72f379aa72196963bdaf584be4edc6137666ddaa /drivers/vme/vme.c
parentLinux 4.14-rc4 (diff)
downloadlinux-94eefcc1cb648a6a14fe0d7a79da48d0a33ca781.tar.xz
linux-94eefcc1cb648a6a14fe0d7a79da48d0a33ca781.zip
vme: Delete 11 error messages for a failed memory allocation
Omit extra messages for a memory allocation failure in these functions. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Martyn Welch <martyn@welchs.me.uk>
Diffstat (limited to 'drivers/vme/vme.c')
-rw-r--r--drivers/vme/vme.c51
1 files changed, 16 insertions, 35 deletions
diff --git a/drivers/vme/vme.c b/drivers/vme/vme.c
index 6a3ead42aba8..53e87af8e0b8 100644
--- a/drivers/vme/vme.c
+++ b/drivers/vme/vme.c
@@ -337,10 +337,9 @@ struct vme_resource *vme_slave_request(struct vme_dev *vdev, u32 address,
goto err_image;
resource = kmalloc(sizeof(struct vme_resource), GFP_KERNEL);
- if (resource == NULL) {
- printk(KERN_WARNING "Unable to allocate resource structure\n");
+ if (!resource)
goto err_alloc;
- }
+
resource->type = VME_SLAVE;
resource->entry = &allocated_image->list;
@@ -542,10 +541,9 @@ struct vme_resource *vme_master_request(struct vme_dev *vdev, u32 address,
}
resource = kmalloc(sizeof(struct vme_resource), GFP_KERNEL);
- if (resource == NULL) {
- printk(KERN_ERR "Unable to allocate resource structure\n");
+ if (!resource)
goto err_alloc;
- }
+
resource->type = VME_MASTER;
resource->entry = &allocated_image->list;
@@ -919,10 +917,9 @@ struct vme_resource *vme_dma_request(struct vme_dev *vdev, u32 route)
goto err_ctrlr;
resource = kmalloc(sizeof(struct vme_resource), GFP_KERNEL);
- if (resource == NULL) {
- printk(KERN_WARNING "Unable to allocate resource structure\n");
+ if (!resource)
goto err_alloc;
- }
+
resource->type = VME_DMA;
resource->entry = &allocated_ctrlr->list;
@@ -962,10 +959,9 @@ struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource)
ctrlr = list_entry(resource->entry, struct vme_dma_resource, list);
dma_list = kmalloc(sizeof(struct vme_dma_list), GFP_KERNEL);
- if (dma_list == NULL) {
- printk(KERN_ERR "Unable to allocate memory for new DMA list\n");
+ if (!dma_list)
return NULL;
- }
+
INIT_LIST_HEAD(&dma_list->entries);
dma_list->parent = ctrlr;
mutex_init(&dma_list->mtx);
@@ -991,16 +987,12 @@ struct vme_dma_attr *vme_dma_pattern_attribute(u32 pattern, u32 type)
struct vme_dma_pattern *pattern_attr;
attributes = kmalloc(sizeof(struct vme_dma_attr), GFP_KERNEL);
- if (attributes == NULL) {
- printk(KERN_ERR "Unable to allocate memory for attributes structure\n");
+ if (!attributes)
goto err_attr;
- }
pattern_attr = kmalloc(sizeof(struct vme_dma_pattern), GFP_KERNEL);
- if (pattern_attr == NULL) {
- printk(KERN_ERR "Unable to allocate memory for pattern attributes\n");
+ if (!pattern_attr)
goto err_pat;
- }
attributes->type = VME_DMA_PATTERN;
attributes->private = (void *)pattern_attr;
@@ -1035,18 +1027,12 @@ struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t address)
/* XXX Run some sanity checks here */
attributes = kmalloc(sizeof(struct vme_dma_attr), GFP_KERNEL);
- if (attributes == NULL) {
- printk(KERN_ERR "Unable to allocate memory for attributes structure\n");
+ if (!attributes)
goto err_attr;
- }
pci_attr = kmalloc(sizeof(struct vme_dma_pci), GFP_KERNEL);
- if (pci_attr == NULL) {
- printk(KERN_ERR "Unable to allocate memory for PCI attributes\n");
+ if (!pci_attr)
goto err_pci;
- }
-
-
attributes->type = VME_DMA_PCI;
attributes->private = (void *)pci_attr;
@@ -1083,16 +1069,12 @@ struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long address,
attributes = kmalloc(
sizeof(struct vme_dma_attr), GFP_KERNEL);
- if (attributes == NULL) {
- printk(KERN_ERR "Unable to allocate memory for attributes structure\n");
+ if (!attributes)
goto err_attr;
- }
vme_attr = kmalloc(sizeof(struct vme_dma_vme), GFP_KERNEL);
- if (vme_attr == NULL) {
- printk(KERN_ERR "Unable to allocate memory for VME attributes\n");
+ if (!vme_attr)
goto err_vme;
- }
attributes->type = VME_DMA_VME;
attributes->private = (void *)vme_attr;
@@ -1539,10 +1521,9 @@ struct vme_resource *vme_lm_request(struct vme_dev *vdev)
goto err_lm;
resource = kmalloc(sizeof(struct vme_resource), GFP_KERNEL);
- if (resource == NULL) {
- printk(KERN_ERR "Unable to allocate resource structure\n");
+ if (!resource)
goto err_alloc;
- }
+
resource->type = VME_LM;
resource->entry = &allocated_lm->list;