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" <[email protected]> Cc: "Martin K. Petersen" <[email protected]> Link: https://lore.kernel.org/r/[email protected] Acked-by: Jim Gill <[email protected]> Signed-off-by: Thomas Hellstrom <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
fracktal · Dec 20, 2019 · d8dd7d7 · d8dd7d7
1 parent f465275
commit d8dd7d7
Showing 1 changed file with 3 additions and 3 deletions.
diff --git 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;