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    SubjectRe: Linux SATA S.M.A.R.T. and SLEEP? -- was [PATCH libata-dev-2.6:passthru] passthru fixes
    John W. Linville wrote:
    > You probably want this patch as well, at least the first hunk.
    > It fixes a potential memory leak that could cause lock-ups when using
    > hdparm or smartctl/smartd.
    >
    > John
    > ---
    > Fix a few problems seen with the passthru branch:
    >
    > - leaked scsi_request on buffer allocate failure
    > - passthru sense routines were refering to tf->command
    > which is not read in tf_read, instead use drv_stat for
    > status register.
    > - passthru sense passed back to user on ata_task_ioctl
    >
    > Patch is against the current libata-dev passthru branch.
    >
    > Signed-off-by: Jeff Raubitschek <jhr@google.com>
    ...

    When I tried that patch recently, smartctl stopped working.
    Reverted. Works again.

    ??
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