treewide: fix comment/printk/variable typos

Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index 47e28b5..8912567 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -219,7 +219,7 @@
  * @isci_host: This parameter specifies the lldd specific wrapper for the
  *    libsas sas_ha struct.
  *
- * This method returns an error code indicating sucess or failure. The user
+ * This method returns an error code indicating success or failure. The user
  * should check for possible memory allocation error return otherwise, a zero
  * indicates success.
  */