[SCSI] iscsi class: fix slab corruption during restart
[powerpc.git] / include / asm-x86_64 / dma-mapping.h
index 49a81a6..10174b1 100644 (file)
@@ -6,7 +6,6 @@
  * documentation.
  */
 
-#include <linux/config.h>
 
 #include <asm/scatterlist.h>
 #include <asm/io.h>
@@ -73,6 +72,7 @@ static inline dma_addr_t
 dma_map_single(struct device *hwdev, void *ptr, size_t size,
               int direction)
 {
+       BUG_ON(!valid_dma_direction(direction));
        return dma_ops->map_single(hwdev, ptr, size, direction);
 }
 
@@ -80,6 +80,7 @@ static inline void
 dma_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
                 int direction)
 {
+       BUG_ON(!valid_dma_direction(direction));
        dma_ops->unmap_single(dev, addr, size, direction);
 }
 
@@ -92,6 +93,7 @@ static inline void
 dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
                        size_t size, int direction)
 {
+       BUG_ON(!valid_dma_direction(direction));
        if (dma_ops->sync_single_for_cpu)
                dma_ops->sync_single_for_cpu(hwdev, dma_handle, size,
                                             direction);
@@ -102,6 +104,7 @@ static inline void
 dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
                           size_t size, int direction)
 {
+       BUG_ON(!valid_dma_direction(direction));
        if (dma_ops->sync_single_for_device)
                dma_ops->sync_single_for_device(hwdev, dma_handle, size,
                                                direction);
@@ -112,6 +115,7 @@ static inline void
 dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
                              unsigned long offset, size_t size, int direction)
 {
+       BUG_ON(!valid_dma_direction(direction));
        if (dma_ops->sync_single_range_for_cpu) {
                dma_ops->sync_single_range_for_cpu(hwdev, dma_handle, offset, size, direction);
        }
@@ -123,6 +127,7 @@ static inline void
 dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
                                 unsigned long offset, size_t size, int direction)
 {
+       BUG_ON(!valid_dma_direction(direction));
        if (dma_ops->sync_single_range_for_device)
                dma_ops->sync_single_range_for_device(hwdev, dma_handle,
                                                      offset, size, direction);
@@ -134,6 +139,7 @@ static inline void
 dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
                    int nelems, int direction)
 {
+       BUG_ON(!valid_dma_direction(direction));
        if (dma_ops->sync_sg_for_cpu)
                dma_ops->sync_sg_for_cpu(hwdev, sg, nelems, direction);
        flush_write_buffers();
@@ -143,6 +149,7 @@ static inline void
 dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
                       int nelems, int direction)
 {
+       BUG_ON(!valid_dma_direction(direction));
        if (dma_ops->sync_sg_for_device) {
                dma_ops->sync_sg_for_device(hwdev, sg, nelems, direction);
        }
@@ -153,6 +160,7 @@ dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
 static inline int
 dma_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, int direction)
 {
+       BUG_ON(!valid_dma_direction(direction));
        return dma_ops->map_sg(hwdev, sg, nents, direction);
 }
 
@@ -160,6 +168,7 @@ static inline void
 dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
             int direction)
 {
+       BUG_ON(!valid_dma_direction(direction));
        dma_ops->unmap_sg(hwdev, sg, nents, direction);
 }