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| author | Sumant Patro <sumantp@lsil.com> | 2007-02-14 12:55:45 -0800 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-02-16 10:20:33 -0600 |
| commit | 9f35fa8a14e6216a859e2dfbe50ade497f9603ef (patch) | |
| tree | 96290f23f7f7ae7b51d3b5ccb9ed5bce89df471e | |
| parent | cf62a0a543fbab15286509d2e04e3dcf5549e966 (diff) | |
| download | linux-3.10-9f35fa8a14e6216a859e2dfbe50ade497f9603ef.tar.gz linux-3.10-9f35fa8a14e6216a859e2dfbe50ade497f9603ef.tar.bz2 linux-3.10-9f35fa8a14e6216a859e2dfbe50ade497f9603ef.zip | |
[SCSI] megaraid_sas: replace pci_alloc_consitent with dma_alloc_coherent in ioctl path
Replaced pci_alloc_consistent with dma_alloc_coherent from the ioctl path.
This is to avoid situations where ioctl fails for lack of memory
(when system under heavy stress).
Signed-off-by: Sumant Patro <sumant.patro@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 9c5e4da5a13..4070894ed5f 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -2711,9 +2711,9 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, * For each user buffer, create a mirror buffer and copy in */ for (i = 0; i < ioc->sge_count; i++) { - kbuff_arr[i] = pci_alloc_consistent(instance->pdev, + kbuff_arr[i] = dma_alloc_coherent(&instance->pdev->dev, ioc->sgl[i].iov_len, - &buf_handle); + &buf_handle, GFP_KERNEL); if (!kbuff_arr[i]) { printk(KERN_DEBUG "megasas: Failed to alloc " "kernel SGL buffer for IOCTL \n"); @@ -2740,8 +2740,8 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, } if (ioc->sense_len) { - sense = pci_alloc_consistent(instance->pdev, ioc->sense_len, - &sense_handle); + sense = dma_alloc_coherent(&instance->pdev->dev, ioc->sense_len, + &sense_handle, GFP_KERNEL); if (!sense) { error = -ENOMEM; goto out; @@ -2800,12 +2800,12 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, out: if (sense) { - pci_free_consistent(instance->pdev, ioc->sense_len, + dma_free_coherent(&instance->pdev->dev, ioc->sense_len, sense, sense_handle); } for (i = 0; i < ioc->sge_count && kbuff_arr[i]; i++) { - pci_free_consistent(instance->pdev, + dma_free_coherent(&instance->pdev->dev, kern_sge32[i].length, kbuff_arr[i], kern_sge32[i].phys_addr); } |