scsi: sd: Fix sd_do_mode_sense() buffer length handling
authorDamien Le Moal <damien.lemoal@wdc.com>
Fri, 20 Aug 2021 07:02:55 +0000 (16:02 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 1 Dec 2021 08:04:38 +0000 (09:04 +0100)
commitc82cd4eed1282806e48345e3c4d37a3c1d3f90e7
treec359d15c506459a518a3e3e5ccffc2dcd9e786e8
parentf00712e27083550be3031099b7697925533a6e01
scsi: sd: Fix sd_do_mode_sense() buffer length handling

commit c749301ebee82eb5e97dec14b6ab31a4aabe37a6 upstream.

For devices that explicitly asked for MODE SENSE(10) use, make sure that
scsi_mode_sense() is called with a buffer of at least 8 bytes so that the
sense header fits.

Link: https://lore.kernel.org/r/20210820070255.682775-4-damien.lemoal@wdc.com
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/scsi/sd.c