dm: enclose complex macros into parentheses where possible

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

drivers/md/dm-log.c

@@ -773,8 +773,10 @@ static region_t core_get_sync_count(struct dm_dirty_log *log)
 }
 
 #define	DMEMIT_SYNC \
+	do { \
 		if (lc->sync != DEFAULTSYNC) \
-		DMEMIT("%ssync ", lc->sync == NOSYNC ? "no" : "")
+			DMEMIT("%ssync ", lc->sync == NOSYNC ? "no" : ""); \
+	} while (0);
 
 static int core_status(struct dm_dirty_log *log, status_type_t status,
 		       char *result, unsigned int maxlen)

include/linux/device-mapper.h

@@ -613,8 +613,7 @@ void dm_destroy_crypto_profile(struct blk_crypto_profile *profile);
 #define DMDEBUG(fmt, ...) pr_debug(DM_FMT(fmt), ##__VA_ARGS__)
 #define DMDEBUG_LIMIT(fmt, ...) pr_debug_ratelimited(DM_FMT(fmt), ##__VA_ARGS__)
 
-#define DMEMIT(x...) sz += ((sz >= maxlen) ? \
-			  0 : scnprintf(result + sz, maxlen - sz, x))
+#define DMEMIT(x...) (sz += ((sz >= maxlen) ? 0 : scnprintf(result + sz, maxlen - sz, x)))
 
 #define DMEMIT_TARGET_NAME_VERSION(y) \
 		DMEMIT("target_name=%s,target_version=%u.%u.%u", \