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Subject[PATCH 6/6] Staging: android: Add parenthesis to macros with complex values in pmem.c
Date
diff --git a/drivers/staging/android/pmem.c b/drivers/staging/android/pmem.c
index c589c0c..b685c18 100644
--- a/drivers/staging/android/pmem.c
+++ b/drivers/staging/android/pmem.c
@@ -38,17 +38,17 @@
* the file should not be released until put_pmem_file is called */
#define PMEM_FLAGS_BUSY 0x1
/* indicates that this is a suballocation of a larger master range */
-#define PMEM_FLAGS_CONNECTED 0x1 << 1
+#define PMEM_FLAGS_CONNECTED (x1 << 1)
/* indicates this is a master and not a sub allocation and that it is mmaped */
-#define PMEM_FLAGS_MASTERMAP 0x1 << 2
+#define PMEM_FLAGS_MASTERMAP (0x1 << 2)
/* submap and unsubmap flags indicate:
* 00: subregion has never been mmaped
* 10: subregion has been mmaped, reference to the mm was taken
* 11: subretion has ben released, refernece to the mm still held
* 01: subretion has been released, reference to the mm has been released
*/
-#define PMEM_FLAGS_SUBMAP 0x1 << 3
-#define PMEM_FLAGS_UNSUBMAP 0x1 << 4
+#define PMEM_FLAGS_SUBMAP (0x1 << 3)
+#define PMEM_FLAGS_UNSUBMAP (0x1 << 4)


struct pmem_data {
@@ -153,8 +153,8 @@ struct pmem_info {
static struct pmem_info pmem[PMEM_MAX_DEVICES];
static int id_count;

-#define PMEM_IS_FREE(id, index) !(pmem[id].bitmap[index].allocated)
-#define PMEM_ORDER(id, index) pmem[id].bitmap[index].order
+#define PMEM_IS_FREE(id, index) (!(pmem[id].bitmap[index].allocated))
+#define PMEM_ORDER(id, index) (pmem[id].bitmap[index].order)
#define PMEM_BUDDY_INDEX(id, index) (index ^ (1 << PMEM_ORDER(id, index)))
#define PMEM_NEXT_INDEX(id, index) (index + (1 << PMEM_ORDER(id, index)))
#define PMEM_OFFSET(index) (index * PMEM_MIN_ALLOC)
--
1.7.5.4


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