[PATCH v1 2/3] (to be folded into): uuid: hoist uuid_is_null() helper from libnvdimm

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Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 include/linux/uuid.h | 7 ++-----
 lib/uuid.c           | 5 -----
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/include/linux/uuid.h b/include/linux/uuid.h
index 2f9bdc88079e..5dcaabc1e28b 100644
--- a/include/linux/uuid.h
+++ b/include/linux/uuid.h
@@ -24,9 +24,6 @@
  */
 #define	UUID_STRING_LEN		36
 
-extern const guid_t guid_null;
-extern const uuid_t uuid_null;
-
 static inline int guid_cmp(const guid_t u1, const guid_t u2)
 {
 	return memcmp(&u1, &u2, sizeof(guid_t));
@@ -44,7 +41,7 @@ static inline void guid_copy(guid_t *dst, const guid_t *src)
 
 static inline bool guid_is_null(guid_t *guid)
 {
-	return guid_equal(guid, &guid_null);
+	return guid_equal(guid, &NULL_GUID);
 }
 
 static inline int uuid_cmp(const uuid_t u1, const uuid_t u2)
@@ -64,7 +61,7 @@ static inline void uuid_copy(uuid_t *dst, const uuid_t *src)
 
 static inline bool uuid_is_null(uuid_t *uuid)
 {
-	return uuid_equal(uuid, &uuid_null);
+	return uuid_equal(uuid, &NULL_UUID);
 }
 
 void generate_random_uuid(unsigned char uuid[16]);
diff --git a/lib/uuid.c b/lib/uuid.c
index 25145bfb0eaa..003bf6823003 100644
--- a/lib/uuid.c
+++ b/lib/uuid.c
@@ -21,11 +21,6 @@
 #include <linux/uuid.h>
 #include <linux/random.h>
 
-const guid_t guid_null;
-EXPORT_SYMBOL(guid_null);
-const uuid_t uuid_null;
-EXPORT_SYMBOL(uuid_null);
-
 const u8 guid_index[16] = {3,2,1,0,5,4,7,6,8,9,10,11,12,13,14,15};
 const u8 uuid_index[16] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
 
-- 
2.11.0

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