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vme: Move an assignment in vme_new_dma_list()

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Assign a pointer to a data structure member without using an intermediate
local variable.

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 2017-08-24 22:04:45 +02:00 committed by Martyn Welch
parent 1ff0a19ce1
commit a384b2cc13
1 changed files with 3 additions and 4 deletions
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7
drivers/vme/vme.c
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@ -948,7 +948,6 @@ EXPORT_SYMBOL(vme_dma_request);
*/ */
struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource) struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource)
{ {
struct vme_dma_resource *ctrlr;
struct vme_dma_list *dma_list; struct vme_dma_list *dma_list;
if (resource->type != VME_DMA) { if (resource->type != VME_DMA) {
@ -956,14 +955,14 @@ struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource)
return NULL; return NULL;
} }
ctrlr = list_entry(resource->entry, struct vme_dma_resource, list);
dma_list = kmalloc(sizeof(*dma_list), GFP_KERNEL); dma_list = kmalloc(sizeof(*dma_list), GFP_KERNEL);
if (!dma_list) if (!dma_list)
return NULL; return NULL;
INIT_LIST_HEAD(&dma_list->entries); INIT_LIST_HEAD(&dma_list->entries);
dma_list->parent = ctrlr; dma_list->parent = list_entry(resource->entry,
struct vme_dma_resource,
list);
mutex_init(&dma_list->mtx); mutex_init(&dma_list->mtx);
return dma_list; return dma_list;