scsi: sg: sg_read(): get rid of access_ok()/__copy_..._user()

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Use copy_..._user() instead, both in sg_read() and in sg_read_oxfer().  And
don't open-code memdup_user()...

Link: https://lore.kernel.org/r/20191017193925.25539-6-viro@ZenIV.linux.org.uk
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Al Viro 2019-10-17 20:39:23 +01:00 • committed by Martin K. Petersen

parent d9fc5617bc

commit c8c12792d5

1 changed files with 6 additions and 12 deletions

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drivers/scsi/sg.c

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