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-rw-r--r--include/linux/amba/bus.h7
-rw-r--r--include/linux/stddef.h8
-rw-r--r--include/scsi/scsi_cmnd.h3
3 files changed, 5 insertions, 13 deletions
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 7847e197730a..8d54f79457ba 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -30,7 +30,6 @@ struct amba_device {
struct device dev;
struct resource res;
struct clk *pclk;
- struct regulator *vcore;
u64 dma_mask;
unsigned int periphid;
unsigned int irq[AMBA_NR_IRQS];
@@ -75,12 +74,6 @@ void amba_release_regions(struct amba_device *);
#define amba_pclk_disable(d) \
do { if (!IS_ERR((d)->pclk)) clk_disable((d)->pclk); } while (0)
-#define amba_vcore_enable(d) \
- (IS_ERR((d)->vcore) ? 0 : regulator_enable((d)->vcore))
-
-#define amba_vcore_disable(d) \
- do { if (!IS_ERR((d)->vcore)) regulator_disable((d)->vcore); } while (0)
-
/* Some drivers don't use the struct amba_device */
#define AMBA_CONFIG_BITS(a) (((a) >> 24) & 0xff)
#define AMBA_REV_BITS(a) (((a) >> 20) & 0x0f)
diff --git a/include/linux/stddef.h b/include/linux/stddef.h
index 6a40c76bdcf1..1747b6787b9e 100644
--- a/include/linux/stddef.h
+++ b/include/linux/stddef.h
@@ -3,14 +3,10 @@
#include <linux/compiler.h>
+#ifdef __KERNEL__
+
#undef NULL
-#if defined(__cplusplus)
-#define NULL 0
-#else
#define NULL ((void *)0)
-#endif
-
-#ifdef __KERNEL__
enum {
false = 0,
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 377df4a28512..1e1198546c72 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -134,6 +134,9 @@ struct scsi_cmnd {
static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
{
+ if (!cmd->request->rq_disk)
+ return NULL;
+
return *(struct scsi_driver **)cmd->request->rq_disk->private_data;
}