diff --git a/mdmon.h b/mdmon.h
index aa750c6..0b08c3d 100644
--- a/mdmon.h
+++ b/mdmon.h
@@ -101,7 +101,7 @@ static inline int is_resync_complete(struct mdinfo *array)
 		break;
 	case 10:
 		l = array->array.layout;
-		ncopies = (l & 0xff) * ((l >> 8) && 0xff);
+		ncopies = (l & 0xff) * ((l >> 8) & 0xff);
 		sync_size = array->component_size * array->array.raid_disks;
 		sync_size /= ncopies;
 		break;
diff --git a/mdopen.c b/mdopen.c
index 5af344b..0ea3874 100644
--- a/mdopen.c
+++ b/mdopen.c
@@ -318,7 +318,7 @@ int create_mddev(char *dev, char *name, int autof, int trustworthy,
 	else if (num < 0) {
 		/* need to choose a free number. */
 		char *_devnm = find_free_devnm(use_mdp);
-		if (devnm == NULL) {
+		if (_devnm == NULL) {
 			pr_err("No avail md devices - aborting\n");
 			return -1;
 		}
diff --git a/restripe.c b/restripe.c
index 359ae86..de85ee4 100644
--- a/restripe.c
+++ b/restripe.c
@@ -482,7 +482,7 @@ int raid6_check_disks(int data_disks, int start, int chunk_size,
 		}
 
 		if((Px == 0) && (Qx == 0))
-			curr_broken_disk = curr_broken_disk;
+			curr_broken_disk = prev_broken_disk;
 
 		if(curr_broken_disk >= data_disks + 2)
 			broken_status = 2;
diff --git a/super-intel.c b/super-intel.c
index 1304737..e1124ba 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -10154,7 +10154,7 @@ enum imsm_reshape_type imsm_analyze_change(struct supertype *st,
 				geo->size = max_size;
 		}
 
-		if ((direction == ROLLBACK_METADATA_CHANGES)) {
+		if (direction == ROLLBACK_METADATA_CHANGES) {
 			/* accept size for rollback only
 			*/
 		} else {