I/OAT: clean up error handling and some print messages

Make better use of dev_err(), and catch an error where the transaction
creation might fail.

Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/dma/ioat.c b/drivers/dma/ioat.c
index a45872f32d50..f204c39fb412 100644
--- a/drivers/dma/ioat.c
+++ b/drivers/dma/ioat.c
@@ -34,7 +34,7 @@
 #include "ioatdma_registers.h"
 #include "ioatdma_hw.h"
 
-MODULE_VERSION("1.24");
+MODULE_VERSION(IOAT_DMA_VERSION);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Intel Corporation");
 
@@ -85,6 +85,7 @@ static void ioat_shutdown_functionality(struct pci_dev *pdev)
 {
         struct ioat_device *device = pci_get_drvdata(pdev);
 
+        dev_err(&pdev->dev, "Removing dma and dca services\n");
         if (device->dca) {
                 unregister_dca_provider(device->dca);
                 free_dca_provider(device->dca);