drivers: base: map: Use kmalloc_array instead of kmalloc

Reported by checkpatch.pl

While at it, removed blank line between function call and error
checking.

Signed-off-by: Andrei Poenaru <andreigpoenaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/base/map.c b/drivers/base/map.c
index e87017f..c1d3823 100644
--- a/drivers/base/map.c
+++ b/drivers/base/map.c
@@ -41,8 +41,7 @@
 	if (n > 255)
 		n = 255;
 
-	p = kmalloc(sizeof(struct probe) * n, GFP_KERNEL);
-
+	p = kmalloc_array(n, sizeof(struct probe), GFP_KERNEL);
 	if (p == NULL)
 		return -ENOMEM;