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authorAnton Blanchard <anton@samba.org>2011-05-09 10:07:40 +1000
committerJames Bottomley <jbottomley@parallels.com>2011-05-17 11:17:07 +0400
commit51f52a47527a07e45746b1bac1ab6123892095a0 (patch)
tree709a14b83e78ea467d5dd1581b55f637a8390885 /drivers/scsi/ipr.c
parentfda38518f236cbd965110938e324f6c6fcc91f38 (diff)
downloadop-kernel-dev-51f52a47527a07e45746b1bac1ab6123892095a0.zip
op-kernel-dev-51f52a47527a07e45746b1bac1ab6123892095a0.tar.gz
[SCSI] ipr: Rate limit DMA mapping errors
I noticed a stream of errors from the IPR driver while doing IOMMU fault injection. Rate limit the errors so we don't clog up the console and logfiles. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <jbottomley@parallels.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/ipr.c')
-rw-r--r--drivers/scsi/ipr.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 3667f89..12868ca 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -5200,7 +5200,8 @@ static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg,
nseg = scsi_dma_map(scsi_cmd);
if (nseg < 0) {
- dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n");
+ if (printk_ratelimit())
+ dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n");
return -1;
}
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