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USB: uas: fix abort 

Properly report aborted commands.
Also don't access cmdinfo after kicking task management,
it may not be valid any more once it returns.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Gerd Hoffmann 2012-09-25 10:47:07 +02:00 committed by Greg Kroah-Hartman
parent ef018cc9f8
commit 0871d7d86c
1 changed files with 4 additions and 7 deletions
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11
drivers/usb/storage/uas.c
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@ -191,6 +191,10 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller)
cmdinfo->state |= COMMAND_COMPLETED;
usb_free_urb(cmdinfo->data_in_urb);
usb_free_urb(cmdinfo->data_out_urb);
if (cmdinfo->state & COMMAND_ABORTED) {
scmd_printk(KERN_INFO, cmnd, "abort completed\n");
cmnd->result = DID_ABORT << 16;
}
cmnd->scsi_done(cmnd);
return 0;
}
@ -303,9 +307,6 @@ static void uas_data_cmplt(struct urb *urb)
} else {
sdb->resid = sdb->length - urb->actual_length;
}
if (cmdinfo->state & COMMAND_ABORTED) {
return;
}
uas_try_complete(cmnd, __func__);
}
@ -654,10 +655,6 @@ static int uas_eh_abort_handler(struct scsi_cmnd *cmnd)
uas_log_cmd_state(cmnd, __func__);
cmdinfo->state |= COMMAND_ABORTED;
ret = uas_eh_task_mgmt(cmnd, "ABORT TASK", TMF_ABORT_TASK);
if (cmdinfo->state & DATA_IN_URB_INFLIGHT)
usb_kill_urb(cmdinfo->data_in_urb);
if (cmdinfo->state & DATA_OUT_URB_INFLIGHT)
usb_kill_urb(cmdinfo->data_out_urb);
return ret;
}