xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

lpfc: use dma_zalloc_coherent

Browse Source 
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: James Smart <james.smart@emulex.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Joe Perches
2014-09-03 12:56:12 -04:00
committed by Christoph Hellwig
parent 9ab9b134a8
commit 1aee383d59
4 changed files with 17 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/scsi/lpfc/lpfc_sli.c
View File

@@ -4864,15 +4864,12 @@ lpfc_sli4_read_rev(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
* mailbox command.
*/
dma_size = *vpd_size;
dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
dma_size,
&dmabuf->phys,
GFP_KERNEL);
dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, dma_size,
&dmabuf->phys, GFP_KERNEL);
if (!dmabuf->virt) {
kfree(dmabuf);
return -ENOMEM;
}
memset(dmabuf->virt, 0, dma_size);
/*
* The SLI4 implementation of READ_REV conflicts at word1,
@@ -12760,14 +12757,13 @@ lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size,
dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
if (!dmabuf)
goto out_fail;
dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
hw_page_size, &dmabuf->phys,
GFP_KERNEL);
dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev,
hw_page_size, &dmabuf->phys,
GFP_KERNEL);
if (!dmabuf->virt) {
kfree(dmabuf);
goto out_fail;
}
memset(dmabuf->virt, 0, hw_page_size);
dmabuf->buffer_tag = x;
list_add_tail(&dmabuf->list, &queue->page_list);
/* initialize queue's entry array */