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authorThomas Meyer <thomas@m3y3r.de>2019-05-29 22:21:36 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2019-06-18 19:46:23 -0400
commita5c990eea5ddd587bcd9af6dc973a1653c8d94af (patch)
tree9ac44bd853e04e60a100566caf528429ff95fdcf /drivers/scsi/lpfc/lpfc_init.c
parentscsi: hpsa: fix an uninitialized read and dereference of pointer dev (diff)
downloadlinux-dev-a5c990eea5ddd587bcd9af6dc973a1653c8d94af.tar.xz
linux-dev-a5c990eea5ddd587bcd9af6dc973a1653c8d94af.zip
scsi: lpfc: Use *_pool_zalloc rather than *_pool_alloc
Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0. Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Acked-by: James Smart <james.smart@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to '')
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index a2b827dd36ff..1a8abb4b0974 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -4116,14 +4116,13 @@ lpfc_new_io_buf(struct lpfc_hba *phba, int num_to_alloc)
* pci bus space for an I/O. The DMA buffer includes the
* number of SGE's necessary to support the sg_tablesize.
*/
- lpfc_ncmd->data = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool,
- GFP_KERNEL,
- &lpfc_ncmd->dma_handle);
+ lpfc_ncmd->data = dma_pool_zalloc(phba->lpfc_sg_dma_buf_pool,
+ GFP_KERNEL,
+ &lpfc_ncmd->dma_handle);
if (!lpfc_ncmd->data) {
kfree(lpfc_ncmd);
break;
}
- memset(lpfc_ncmd->data, 0, phba->cfg_sg_dma_buf_size);
/*
* 4K Page alignment is CRITICAL to BlockGuard, double check