[SCSI] mac_esp: remove redundant mutual exclusion
authorFinn Thain <fthain@telegraphics.com.au>
Sun, 11 Sep 2011 09:57:51 +0000 (19:57 +1000)
committerJames Bottomley <JBottomley@Parallels.com>
Thu, 22 Sep 2011 11:10:18 +0000 (15:10 +0400)
Mutual exclusion is redundant here because all the paths in the call graph
leading to esp_driver_ops.send_dma_cmd() happen under spin_lock_irqsave/
spin_lock_irqrestore. Remove it.

Tested on a Mac Quadra 660av and a Mac LC 630.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
drivers/scsi/mac_esp.c

Simple merge