diff options
Diffstat (limited to 'drivers/usb/storage/scsiglue.c')
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index e227f64d564..47e56079925 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -285,10 +285,15 @@ static int device_reset(struct scsi_cmnd *srb) US_DEBUGP("%s called\n", __FUNCTION__); - /* lock the device pointers and do the reset */ - mutex_lock(&(us->dev_mutex)); - result = us->transport_reset(us); - mutex_unlock(&us->dev_mutex); + result = usb_autopm_get_interface(us->pusb_intf); + if (result == 0) { + + /* lock the device pointers and do the reset */ + mutex_lock(&(us->dev_mutex)); + result = us->transport_reset(us); + mutex_unlock(&us->dev_mutex); + usb_autopm_put_interface(us->pusb_intf); + } return result < 0 ? FAILED : SUCCESS; } @@ -321,10 +326,14 @@ void usb_stor_report_device_reset(struct us_data *us) /* Report a driver-initiated bus reset to the SCSI layer. * Calling this for a SCSI-initiated reset is unnecessary but harmless. - * The caller must own the SCSI host lock. */ + * The caller must not own the SCSI host lock. */ void usb_stor_report_bus_reset(struct us_data *us) { - scsi_report_bus_reset(us_to_host(us), 0); + struct Scsi_Host *host = us_to_host(us); + + scsi_lock(host); + scsi_report_bus_reset(host, 0); + scsi_unlock(host); } /*********************************************************************** |