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Message-ID: <20110603145729.17254.19665.stgit@beardog.cce.hp.com> Date: Fri, 03 Jun 2011 09:57:29 -0500 From: "Stephen M. Cameron" <scameron@...rdog.cce.hp.com> To: james.bottomley@...senpartnership.com Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org, smcameron@...oo.com, thenzl@...hat.com, akpm@...ux-foundation.org, mikem@...rdog.cce.hp.com Subject: [PATCH 1/2] hpsa: fix dma unmap error in hpsa_passthru_ioctl From: Stephen M. Cameron <scameron@...rdog.cce.hp.com> Signed-off-by: Stephen M. Cameron <scameron@...rdog.cce.hp.com> --- drivers/scsi/hpsa.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index c6c0434..a75122d 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -2580,7 +2580,8 @@ static int hpsa_passthru_ioctl(struct ctlr_info *h, void __user *argp) c->SG[0].Ext = 0; /* we are not chaining*/ } hpsa_scsi_do_simple_cmd_core(h, c); - hpsa_pci_unmap(h->pdev, c, 1, PCI_DMA_BIDIRECTIONAL); + if (iocommand.buf_size > 0) + hpsa_pci_unmap(h->pdev, c, 1, PCI_DMA_BIDIRECTIONAL); check_ioctl_unit_attention(h, c); /* Copy the error information out */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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