add do_extra_command to let people deal with customized command
Signed-off-by: Eddie Cai eddie.cai.linux@gmail.com --- drivers/usb/gadget/f_mass_storage.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index 333f069..d431e53 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -2168,6 +2168,10 @@ unknown_cmnd: return 0; }
+int __weak do_extra_command(struct fsg_common *common) +{ + return -EINVAL; +} /*-------------------------------------------------------------------------*/
static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) @@ -2540,8 +2544,10 @@ int fsg_main_thread(void *common_) if (!exception_in_progress(common)) common->state = FSG_STATE_DATA_PHASE;
- if (do_scsi_command(common) || finish_reply(common)) + if ((do_extra_command(common) && do_scsi_command(common)) || + finish_reply(common)) { continue; + }
if (!exception_in_progress(common)) common->state = FSG_STATE_STATUS_PHASE;