1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 42844c2bc065..d0c2759076a2 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -111,8 +111,10 @@ static u32 lba_t32;
 
 
 /* Looks nice and keeps the compiler happy */
-#define LBA_DEV(d) ((struct lba_device *) (d))
-
+#define LBA_DEV(d) ({                           \
+        void *__pdata = d;                      \
+        BUG_ON(!__pdata);                       \
+        (struct lba_device *)__pdata; })
 
 /*
 ** Only allow 8 subsidiary busses per LBA