From 94eefcc1cb648a6a14fe0d7a79da48d0a33ca781 Mon Sep 17 00:00:00 2001 From: Markus Elfring Date: Thu, 24 Aug 2017 21:38:20 +0200 Subject: 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 Signed-off-by: Martyn Welch --- drivers/vme/vme.c | 51 ++++++++++++++++----------------------------------- 1 file changed, 16 insertions(+), 35 deletions(-) (limited to 'drivers/vme/vme.c') diff --git a/drivers/vme/vme.c b/drivers/vme/vme.c index 6a3ead4..53e87af 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; -- cgit v1.1