scsi: usb: Call scsi_done() directly

[ Upstream commit 46c97948 ]

Conditional statements are faster than indirect calls. Hence call
scsi_done() directly.

Link: https://lore.kernel.org/r/20211007204618.2196847-10-bvanassche@acm.org


Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Stable-dep-of: cd5432c7 ("USB: UAS: return ENODEV when submit urbs fail with device not attached")
Signed-off-by: Sasha Levin <sashal@kernel.org>