[patch] aoe: cleanup an allocation a bit

[Dan Carpenter <dan.carpenter@oracle.com>]

We changed this recently so we can just use kzalloc() here instead of
kcalloc(1, ...).  Kernel style prefers sizeof(*t) over sizeof *t.  The
kfree(t) is a no-op now as well so that can be removed.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
Only applies to linux-next.

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 5461faa..c0adbbd 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -1255,9 +1255,8 @@ addtgt(struct aoedev *d, char *addr, ulong nframes)
 			"aoe: device addtgt failure; too many targets\n");
 		return NULL;
 	}
-	t = kcalloc(1, sizeof *t, GFP_ATOMIC);
+	t = kzalloc(sizeof(*t), GFP_ATOMIC);
 	if (!t) {
-		kfree(t);
 		printk(KERN_INFO "aoe: cannot allocate memory to add target\n");
 		return NULL;
 	}