usb/gadget: Remove set-but-not-used variables

Avoid that building with W=1 triggers compiler warnings about
set-but-not-used variables.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Andy Grover <agrover@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index ec8287a..bad007b 100644 (file)
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -82,18 +82,9 @@ static void bot_enqueue_sense_code(struct f_uas *fu, struct usbg_cmd *cmd)
 {
        struct bulk_cs_wrap *csw = &fu->bot_status.csw;
        int ret;
-       u8 *sense;
        unsigned int csw_stat;
 
        csw_stat = cmd->csw_code;
-
-       /*
-        * We can't send SENSE as a response. So we take ASC & ASCQ from our
-        * sense buffer and queue it and hope the host sends a REQUEST_SENSE
-        * command where it learns why we failed.
-        */
-       sense = cmd->sense_iu.sense;
-
        csw->Tag = cmd->bot_tag;
        csw->Status = csw_stat;
        fu->bot_status.req->context = cmd;
@@ -1088,7 +1079,6 @@ static int usbg_submit_command(struct f_uas *fu,
        struct command_iu *cmd_iu = cmdbuf;
        struct usbg_cmd *cmd;
        struct usbg_tpg *tpg;
-       struct se_cmd *se_cmd;
        struct tcm_usbg_nexus *tv_nexus;
        u32 cmd_len;
 
@@ -1151,7 +1141,6 @@ static int usbg_submit_command(struct f_uas *fu,
                break;
        }
 
-       se_cmd = &cmd->se_cmd;
        cmd->unpacked_lun = scsilun_to_int(&cmd_iu->lun);
 
        INIT_WORK(&cmd->work, usbg_cmd_work);
@@ -1202,7 +1191,6 @@ static int bot_submit_command(struct f_uas *fu,
        struct bulk_cb_wrap *cbw = cmdbuf;
        struct usbg_cmd *cmd;
        struct usbg_tpg *tpg;
-       struct se_cmd *se_cmd;
        struct tcm_usbg_nexus *tv_nexus;
        u32 cmd_len;
 
@@ -1242,7 +1230,6 @@ static int bot_submit_command(struct f_uas *fu,
        }
 
        cmd->prio_attr = TCM_SIMPLE_TAG;
-       se_cmd = &cmd->se_cmd;
        cmd->unpacked_lun = cbw->Lun;
        cmd->is_read = cbw->Flags & US_BULK_FLAG_IN ? 1 : 0;
        cmd->data_len = le32_to_cpu(cbw->DataTransferLength);
@@ -2335,7 +2322,6 @@ static void tcm_unbind(struct usb_configuration *c, struct usb_function *f)
 static struct usb_function *tcm_alloc(struct usb_function_instance *fi)
 {
        struct f_uas *fu;
-       struct f_tcm_opts *opts;
        unsigned i;
 
        mutex_lock(&tpg_instances_lock);
@@ -2347,8 +2333,6 @@ static struct usb_function *tcm_alloc(struct usb_function_instance *fi)
                return ERR_PTR(-ENODEV);
        }
 
-       opts = container_of(fi, struct f_tcm_opts, func_inst);
-
        fu = kzalloc(sizeof(*fu), GFP_KERNEL);
        if (!fu) {
                mutex_unlock(&tpg_instances_lock);