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[SCSI] lpfc 8.3.42: Fixed failure to allocate SCSI buffer on PPC64 platform for SLI4 devices 

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2013-09-06 12:21:50 -04:00 committed by James Bottomley
parent acbd86160a
commit 092cb034b5
1 changed files with 6 additions and 3 deletions
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9
drivers/scsi/lpfc/lpfc_scsi.c
View File

@ -1000,9 +1000,12 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
}
memset(psb->data, 0, phba->cfg_sg_dma_buf_size);
/* Page alignment is CRITICAL, double check to be sure */
if (((unsigned long)(psb->data) &
(unsigned long)(SLI4_PAGE_SIZE - 1)) != 0) {
/*
* 4K Page alignment is CRITICAL to BlockGuard, double check
* to be sure.
*/
if (phba->cfg_enable_bg && (((unsigned long)(psb->data) &
(unsigned long)(SLI4_PAGE_SIZE - 1)) != 0)) {
pci_pool_free(phba->lpfc_scsi_dma_buf_pool,
psb->data, psb->dma_handle);
kfree(psb);