linux-kernel - 2.6.23-rcX SG_GET_SCSI

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Date:	Wed, 3 Oct 2007 12:58:45 +0200
From:	Joerg Platte <lists@...sa.net>
To:	linux-kernel@...r.kernel.org
Subject: 2.6.23-rcX SG_GET_SCSI_ID regression?

Hi,

sane is not able to detect my old SCSI scanner with kernel 2.6.23-rc9. The 
scanner was found with 2.6.22.8. According to strace the behavior of the 
SG_GET_SCSI_ID ioctl changed:

2.6.22.8:
open("/dev/scanner", O_RDWR|O_NONBLOCK|O_EXCL) = 3
ioctl(3, SG_SET_TIMEOUT, 0xbfe40624)    = 0
ioctl(3, SG_GET_VERSION_NUM, 0x8063fa4) = 0
ioctl(3, SG_GET_SCSI_ID, 0xbfe405e0)    = 0

2.6.23-rc9:
open("/dev/scanner", O_RDWR|O_NONBLOCK|O_EXCL) = 3
ioctl(3, SG_SET_TIMEOUT, 0xbf84a834)    = 0
ioctl(3, SG_GET_VERSION_NUM, 0x8062524) = 0
ioctl(3, SG_GET_SCSI_ID, 0xbf84a7f0)    = -1 ENOTTY (Inappropriate ioctl for 
device)

Is this an intentional change?

regards,
Jörg

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