usb: gadget: f_tcm: Don't free command immediately

commit c225d006a31949d673e646d585d9569bc28feeb9 upstream.

Don't prematurely free the command. Wait for the status completion of
the sense status. It can be freed then. Otherwise we will double-free
the command.

Fixes: cff834c16d23 ("usb-gadget/tcm: Convert to TARGET_SCF_ACK_KREF I/O krefs")
Cc: stable@vger.kernel.org
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/ae919ac431f16275e05ec819bdffb3ac5f44cbe1.1733876548.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index b422ba27f24e1f30c1b7ab158689211528b279b1..90613becd03e01b3afbfae98deff1c5326476acd 100644 (file)
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -1066,7 +1066,6 @@ static void usbg_cmd_work(struct work_struct *work)
 out:
        transport_send_check_condition_and_sense(se_cmd,
                        TCM_UNSUPPORTED_SCSI_OPCODE, 1);
-       transport_generic_free_cmd(&cmd->se_cmd, 0);
 }
 
 static struct usbg_cmd *usbg_get_cmd(struct f_uas *fu,
@@ -1195,7 +1194,6 @@ static void bot_cmd_work(struct work_struct *work)
 out:
        transport_send_check_condition_and_sense(se_cmd,
                                TCM_UNSUPPORTED_SCSI_OPCODE, 1);
-       transport_generic_free_cmd(&cmd->se_cmd, 0);
 }
 
 static int bot_submit_command(struct f_uas *fu,