diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c
index 6e231c5..ded33ba 100644
--- a/drivers/block/aoe/aoedev.c
+++ b/drivers/block/aoe/aoedev.c
@@ -35,7 +35,7 @@
 	struct aoedev *d;
 	struct frame *f, *e;
 
-	d = kcalloc(1, sizeof *d, GFP_ATOMIC);
+	d = kzalloc(sizeof *d, GFP_ATOMIC);
 	if (d == NULL)
 		return NULL;
 	f = kcalloc(nframes, sizeof *f, GFP_ATOMIC);
diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
index 115dbb3..3fa64c6 100644
--- a/drivers/char/mbcs.c
+++ b/drivers/char/mbcs.c
@@ -750,7 +750,7 @@
 
 	dev->soft = NULL;
 
-	soft = kcalloc(1, sizeof(struct mbcs_soft), GFP_KERNEL);
+	soft = kzalloc(sizeof(struct mbcs_soft), GFP_KERNEL);
 	if (soft == NULL)
 		return -ENOMEM;
 
diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c
index 354a262..8ee56d4 100644
--- a/drivers/i2c/chips/isp1301_omap.c
+++ b/drivers/i2c/chips/isp1301_omap.c
@@ -1489,7 +1489,7 @@
 	if (the_transceiver)
 		return 0;
 
-	isp = kcalloc(1, sizeof *isp, GFP_KERNEL);
+	isp = kzalloc(sizeof *isp, GFP_KERNEL);
 	if (!isp)
 		return 0;
 
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index fae1c2d..211ba32 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -463,7 +463,7 @@
 		return NULL;
 
 	for (i = 0; i < len; i++) {
-		element = kcalloc(1, sizeof(struct port_table_attribute),
+		element = kzalloc(sizeof(struct port_table_attribute),
 				  GFP_KERNEL);
 		if (!element)
 			goto err;
diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index 029c248..ffcdeb6 100644
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -494,7 +494,7 @@
 	if (rc)
 		return rc;
 	qs_enter_reg_mode(ap);
-	pp = kcalloc(1, sizeof(*pp), GFP_KERNEL);
+	pp = kzalloc(sizeof(*pp), GFP_KERNEL);
 	if (!pp) {
 		rc = -ENOMEM;
 		goto err_out;