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SCSI fixes on 20190215 

Two fairly small fixes: the qla one is a panic inducing use after free
 and the entropy fix may seem minor but it has had huge userspace
 impact thanks to an unrelated change in openssl that causes sshd to
 refuse logins until it has enough entropy for the session keys, which
 causes tens of minutes delay before the affected systems allow logins
 after reboot.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Two fairly small fixes: the qla one is a panic inducing use after free
  and the entropy fix may seem minor but it has had huge userspace
  impact thanks to an unrelated change in openssl that causes sshd to
  refuse logins until it has enough entropy for the session keys, which
  causes tens of minutes delay before the affected systems allow logins
  after reboot"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: qla2xxx: Fix panic from use after free in qla2x00_async_tm_cmd
  scsi: sd: fix entropy gathering for most rotational disks
hifive-unleashed-5.1
Linus Torvalds 2019-02-15 13:36:43 -08:00
parent 24f0a48743 388a49959e
commit 5ded587103
2 changed files with 11 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/scsi/qla2xxx/qla_init.c
View File

@ -1785,13 +1785,13 @@ qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
/* Issue Marker IOCB */
qla2x00_marker(vha, vha->hw->req_q_map[0],
vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
vha->hw->rsp_q_map[0], fcport->loop_id, lun,
flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
}
done_free_sp:
sp->free(sp);
sp->fcport->flags &= ~FCF_ASYNC_SENT;
fcport->flags &= ~FCF_ASYNC_SENT;
done:
return rval;
}

12
drivers/scsi/sd.c
View File

@ -2951,9 +2951,6 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
if (rot == 1) {
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, q);
} else {
blk_queue_flag_clear(QUEUE_FLAG_NONROT, q);
blk_queue_flag_set(QUEUE_FLAG_ADD_RANDOM, q);
}
if (sdkp->device->type == TYPE_ZBC) {
@ -3090,6 +3087,15 @@ static int sd_revalidate_disk(struct gendisk *disk)
if (sdkp->media_present) {
sd_read_capacity(sdkp, buffer);
/*
* set the default to rotational. All non-rotational devices
* support the block characteristics VPD page, which will
* cause this to be updated correctly and any device which
* doesn't support it should be treated as rotational.
*/
blk_queue_flag_clear(QUEUE_FLAG_NONROT, q);
blk_queue_flag_set(QUEUE_FLAG_ADD_RANDOM, q);
if (scsi_device_supports_vpd(sdp)) {
sd_read_block_provisioning(sdkp);
sd_read_block_limits(sdkp);