staging: r8188eu: cmd_seq is write-only

The cmd_seq component of struct cmd_priv is set and incremented but never
read. It can be removed.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20221230180646.91008-4-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_cmd.c

@@ -65,8 +65,6 @@ int rtw_init_cmd_priv(struct cmd_priv *pcmdpriv)
 
 	/* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
 
-	pcmdpriv->cmd_seq = 1;
-
 	pcmdpriv->cmd_allocated_buf = kzalloc(MAX_CMDSZ + CMDBUFF_ALIGN_SZ,
 					      GFP_KERNEL);
 
@@ -233,8 +231,6 @@ int rtw_cmd_thread(void *context)
 				ret = cmd_hdl(pcmd->padapter, pcmdbuf);
 				pcmd->res = ret;
 			}
-
-			pcmdpriv->cmd_seq++;
 		} else {
 			pcmd->res = H2C_PARAMETERS_ERROR;
 		}

drivers/staging/r8188eu/include/rtw_cmd.h

@@ -32,7 +32,6 @@ struct cmd_priv {
 	struct completion start_cmd_thread;
 	struct completion stop_cmd_thread;
 	struct __queue cmd_queue;
-	u8	cmd_seq;
 	u8	*cmd_buf;	/* shall be non-paged, and 4 bytes aligned */
 	u8	*cmd_allocated_buf;
 	u8	*rsp_buf;	/* shall be non-paged, and 4 bytes aligned */