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authorThomas Hellstrom <thellstrom@vmware.com>2019-12-03 22:30:52 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2019-12-20 06:42:44 +0300
commitd8dd7d768131010cb6e064036bf525db68ce78b8 (patch)
treebfa224d59be88bb30c117e105701eece41a59d56 /drivers/scsi/vmw_pvscsi.c
parentf4652752a428f65936a7da5884095ef43a3cac18 (diff)
downloadlinux-d8dd7d768131010cb6e064036bf525db68ce78b8.tar.xz
scsi: vmw_pvscsi: Silence dma mapping errors
These errors typically occur with swiotlb when the swiotlb buffer is full. But they are transient and would typically unnecessarily worry a user. Instead of errors, print debug messages. Cc: "James E.J. Bottomley" <jejb@linux.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20191203193052.7583-2-thomas_os@shipmail.org Acked-by: Jim Gill <jgill@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/vmw_pvscsi.c')
-rw-r--r--drivers/scsi/vmw_pvscsi.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c
index 8a09d184a320..c3f010df641e 100644
--- a/drivers/scsi/vmw_pvscsi.c
+++ b/drivers/scsi/vmw_pvscsi.c
@@ -365,7 +365,7 @@ static int pvscsi_map_buffers(struct pvscsi_adapter *adapter,
int segs = scsi_dma_map(cmd);
if (segs == -ENOMEM) {
- scmd_printk(KERN_ERR, cmd,
+ scmd_printk(KERN_DEBUG, cmd,
"vmw_pvscsi: Failed to map cmd sglist for DMA.\n");
return -ENOMEM;
} else if (segs > 1) {
@@ -392,7 +392,7 @@ static int pvscsi_map_buffers(struct pvscsi_adapter *adapter,
ctx->dataPA = dma_map_single(&adapter->dev->dev, sg, bufflen,
cmd->sc_data_direction);
if (dma_mapping_error(&adapter->dev->dev, ctx->dataPA)) {
- scmd_printk(KERN_ERR, cmd,
+ scmd_printk(KERN_DEBUG, cmd,
"vmw_pvscsi: Failed to map direct data buffer for DMA.\n");
return -ENOMEM;
}
@@ -725,7 +725,7 @@ static int pvscsi_queue_ring(struct pvscsi_adapter *adapter,
cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE,
DMA_FROM_DEVICE);
if (dma_mapping_error(&adapter->dev->dev, ctx->sensePA)) {
- scmd_printk(KERN_ERR, cmd,
+ scmd_printk(KERN_DEBUG, cmd,
"vmw_pvscsi: Failed to map sense buffer for DMA.\n");
ctx->sensePA = 0;
return -ENOMEM;