[SCSI] aic94xx: Match request_firmware with release_firmware

The vmalloc() blob holding the sequencer firmware wasn't being released at
module unload time, which resulted in a memory leak.

Signed-off-by: Alexis Bruemmer <alexisb@us.ibm.com>
Acked-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index 9a9ea74..6faa10f 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -886,6 +886,7 @@
 	asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
 	pci_unregister_driver(&aic94xx_pci_driver);
 	sas_release_transport(aic94xx_transport_template);
+	asd_release_firmware();
 	asd_destroy_global_caches();
 	asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
 		   ASD_DRIVER_VERSION);