disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/drivers/net/wireless/realtek/rtlwifi/debug.c
..
..
@@ -278,8 +278,8 @@
278
278
 
279
279
 	tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
280
280
 
281
-	if (!buffer || copy_from_user(tmp, buffer, tmp_len))
282
-		return count;
281
+	if (copy_from_user(tmp, buffer, tmp_len))
282
+		return -EFAULT;
283
283
 
284
284
 	tmp[tmp_len] = '\0';
285
285
 
..
..
@@ -287,7 +287,7 @@
287
287
 	num = sscanf(tmp, "%x %x %x", &addr, &val, &len);
288
288
 
289
289
 	if (num !=  3)
290
-		return count;
290
+		return -EINVAL;
291
291
 
292
292
 	switch (len) {
293
293
 	case 1:
..
..
@@ -375,8 +375,8 @@
375
375
 
376
376
 	tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
377
377
 
378
-	if (!buffer || copy_from_user(tmp, buffer, tmp_len))
379
-		return count;
378
+	if (copy_from_user(tmp, buffer, tmp_len))
379
+		return -EFAULT;
380
380
 
381
381
 	tmp[tmp_len] = '\0';
382
382
 
..
..
@@ -386,7 +386,7 @@
386
386
 	if (num != 4) {
387
387
 		rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG,
388
388
 			"Format is <path> <addr> <mask> <data>\n");
389
-		return count;
389
+		return -EINVAL;
390
390
 	}
391
391
 
392
392
 	rtl_set_rfreg(hw, path, addr, bitmask, data);