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authorDmitry Torokhov <[email protected]>2023-08-30 16:06:38 -0700
committerDmitry Torokhov <[email protected]>2023-08-30 16:06:38 -0700
commit1ac731c529cd4d6adbce134754b51ff7d822b145 (patch)
tree143ab3f35ca5f3b69f583c84e6964b17139c2ec1 /drivers/usb/storage/scsiglue.c
parent07b4c950f27bef0362dc6ad7ee713aab61d58149 (diff)
parent54116d442e001e1b6bd482122043b1870998a1f3 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.6 merge window.
Diffstat (limited to 'drivers/usb/storage/scsiglue.c')
-rw-r--r--drivers/usb/storage/scsiglue.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 8931df5a85fd..c54e9805da53 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -406,22 +406,25 @@ static DEF_SCSI_QCMD(queuecommand)
***********************************************************************/
/* Command timeout and abort */
-static int command_abort(struct scsi_cmnd *srb)
+static int command_abort_matching(struct us_data *us, struct scsi_cmnd *srb_match)
{
- struct us_data *us = host_to_us(srb->device->host);
-
- usb_stor_dbg(us, "%s called\n", __func__);
-
/*
* us->srb together with the TIMED_OUT, RESETTING, and ABORTING
* bits are protected by the host lock.
*/
scsi_lock(us_to_host(us));
- /* Is this command still active? */
- if (us->srb != srb) {
+ /* is there any active pending command to abort ? */
+ if (!us->srb) {
scsi_unlock(us_to_host(us));
usb_stor_dbg(us, "-- nothing to abort\n");
+ return SUCCESS;
+ }
+
+ /* Does the command match the passed srb if any ? */
+ if (srb_match && us->srb != srb_match) {
+ scsi_unlock(us_to_host(us));
+ usb_stor_dbg(us, "-- pending command mismatch\n");
return FAILED;
}
@@ -444,6 +447,14 @@ static int command_abort(struct scsi_cmnd *srb)
return SUCCESS;
}
+static int command_abort(struct scsi_cmnd *srb)
+{
+ struct us_data *us = host_to_us(srb->device->host);
+
+ usb_stor_dbg(us, "%s called\n", __func__);
+ return command_abort_matching(us, srb);
+}
+
/*
* This invokes the transport reset mechanism to reset the state of the
* device
@@ -455,6 +466,9 @@ static int device_reset(struct scsi_cmnd *srb)
usb_stor_dbg(us, "%s called\n", __func__);
+ /* abort any pending command before reset */
+ command_abort_matching(us, NULL);
+
/* lock the device pointers and do the reset */
mutex_lock(&(us->dev_mutex));
result = us->transport_reset(us);