staging: r8188eu: use pr_info_once() to log the firmware version

Use pr_info_once() instead of a static variable and an if statement
to log the firmware version only once.
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220417175441.13830-8-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_fw.c

@@ -246,7 +246,6 @@ int rtl8188e_firmware_download(struct adapter *padapter)
 	struct rt_firmware_hdr *fwhdr = NULL;
 	u8 *fw_data;
 	u32 fw_size;
-	static int log_version;
 
 	if (!dvobj->firmware.data)
 		ret = load_firmware(&dvobj->firmware, device);
@@ -260,10 +259,9 @@ int rtl8188e_firmware_download(struct adapter *padapter)
 	/*  To Check Fw header. Added by tynli. 2009.12.04. */
 	fwhdr = (struct rt_firmware_hdr *)dvobj->firmware.data;
 
-	if (!log_version++)
-		pr_info("%sFirmware Version %d, SubVersion %d, Signature 0x%x\n",
-			DRIVER_PREFIX, le16_to_cpu(fwhdr->version), fwhdr->subversion,
-			le16_to_cpu(fwhdr->signature));
+	pr_info_once("%sFirmware Version %d, SubVersion %d, Signature 0x%x\n",
+		     DRIVER_PREFIX, le16_to_cpu(fwhdr->version), fwhdr->subversion,
+		     le16_to_cpu(fwhdr->signature));
 
 	if (IS_FW_HEADER_EXIST(fwhdr)) {
 		fw_data = fw_data + sizeof(struct rt_firmware_hdr);