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uas: Drop COMMAND_COMPLETED flag 

It was only used to sanity check against completing the same cmnd twice,
but that is the case we're likely operating on free-ed memory, and doing
sanity checks on free-ed memory is not really helpful.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede 2014-09-13 12:26:46 +02:00 committed by Greg Kroah-Hartman
parent 6dcd8ec240
commit eb7d664ae4
1 changed files with 3 additions and 7 deletions
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10
drivers/usb/storage/uas.c
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@ -74,9 +74,8 @@ enum {
COMMAND_INFLIGHT = (1 << 8),
DATA_IN_URB_INFLIGHT = (1 << 9),
DATA_OUT_URB_INFLIGHT = (1 << 10),
COMMAND_COMPLETED = (1 << 11),
COMMAND_ABORTED = (1 << 12),
IS_IN_WORK_LIST = (1 << 13),
COMMAND_ABORTED = (1 << 11),
IS_IN_WORK_LIST = (1 << 12),
};
/* Overrides scsi_pointer */
@ -232,7 +231,7 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *caller)
struct uas_cmd_info *ci = (void *)&cmnd->SCp;
scmd_printk(KERN_INFO, cmnd,
"%s tag %d inflight:%s%s%s%s%s%s%s%s%s%s%s%s%s ",
"%s tag %d inflight:%s%s%s%s%s%s%s%s%s%s%s%s ",
caller, uas_get_tag(cmnd),
(ci->state & SUBMIT_STATUS_URB) ? " s-st" : "",
(ci->state & ALLOC_DATA_IN_URB) ? " a-in" : "",
@ -244,7 +243,6 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *caller)
(ci->state & COMMAND_INFLIGHT) ? " CMD" : "",
(ci->state & DATA_IN_URB_INFLIGHT) ? " IN" : "",
(ci->state & DATA_OUT_URB_INFLIGHT) ? " OUT" : "",
(ci->state & COMMAND_COMPLETED) ? " done" : "",
(ci->state & COMMAND_ABORTED) ? " abort" : "",
(ci->state & IS_IN_WORK_LIST) ? " work" : "");
scsi_print_command(cmnd);
@ -280,8 +278,6 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller)
DATA_OUT_URB_INFLIGHT |
COMMAND_ABORTED))
return -EBUSY;
WARN_ON_ONCE(cmdinfo->state & COMMAND_COMPLETED);
cmdinfo->state |= COMMAND_COMPLETED;
devinfo->cmnd[uas_get_tag(cmnd) - 1] = NULL;
uas_free_unsubmitted_urbs(cmnd);
cmnd->scsi_done(cmnd);