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authorJani Nikula <jani.nikula@intel.com>2017-09-04 21:40:34 +0300
committerJani Nikula <jani.nikula@intel.com>2017-09-04 21:40:34 +0300
commitd149d6ae17197ce23e2cd6bc5fcdacf7b593e55e (patch)
tree2fb8d66199080f6d7b41690f6e8616ccd79a1943 /drivers/usb/storage/usb.c
parentafe722bee4bf8afc88c6ff7d6f781515d9428595 (diff)
parent7846b12fe0b5feab5446d892f41b5140c1419109 (diff)
downloadlinux-d149d6ae17197ce23e2cd6bc5fcdacf7b593e55e.tar.bz2
Merge drm-upstream/drm-next into drm-intel-next-queued
Catch up with upstream while it's easy. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/usb/storage/usb.c')
-rw-r--r--drivers/usb/storage/usb.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 06615934fed1..0dceb9fa3a06 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -315,6 +315,7 @@ static int usb_stor_control_thread(void * __us)
{
struct us_data *us = (struct us_data *)__us;
struct Scsi_Host *host = us_to_host(us);
+ struct scsi_cmnd *srb;
for (;;) {
usb_stor_dbg(us, "*** thread sleeping\n");
@@ -330,6 +331,7 @@ static int usb_stor_control_thread(void * __us)
scsi_lock(host);
/* When we are called with no command pending, we're done */
+ srb = us->srb;
if (us->srb == NULL) {
scsi_unlock(host);
mutex_unlock(&us->dev_mutex);
@@ -398,14 +400,11 @@ static int usb_stor_control_thread(void * __us)
/* lock access to the state */
scsi_lock(host);
- /* indicate that the command is done */
- if (us->srb->result != DID_ABORT << 16) {
- usb_stor_dbg(us, "scsi cmd done, result=0x%x\n",
- us->srb->result);
- us->srb->scsi_done(us->srb);
- } else {
+ /* was the command aborted? */
+ if (us->srb->result == DID_ABORT << 16) {
SkipForAbort:
usb_stor_dbg(us, "scsi command aborted\n");
+ srb = NULL; /* Don't call srb->scsi_done() */
}
/*
@@ -429,6 +428,13 @@ SkipForAbort:
/* unlock the device pointers */
mutex_unlock(&us->dev_mutex);
+
+ /* now that the locks are released, notify the SCSI core */
+ if (srb) {
+ usb_stor_dbg(us, "scsi cmd done, result=0x%x\n",
+ srb->result);
+ srb->scsi_done(srb);
+ }
} /* for (;;) */
/* Wait until we are told to stop */