Merge pull request #273 in SW_PON/linux from...

Merge pull request #273 in SW_PON/linux from bugfix/UGW_SW-23348-kernel-dump-observed-while-executing-cdr-and-nbt to xrx500

* commit 'd160d55eb68343cc92cd3e84e7c85ebd49ba7bd4':
  spi: ltq_ssc - fix ifx_validate_params()
  spi: ltq_ssc - Remove dump_stack call

drivers/spi/ltq_ssc.c

@@ -2864,25 +2864,19 @@ static int ifx_validate_params(IFX_SSC_HANDLE handler, char *txbuf, int txsize,
 
 	if (!handler) {
 		LOGF_KLOG_ERROR("%s: invalid handler\n", __func__);
+		dump_stack();
 		goto out;
 	}
 
-	if (!rxbuf || rxsize == 0) {
-		LOGF_KLOG_ERROR("%s: invalid rxbuf=%x rxsize=%d\n",
-				__func__, rxbuf, rxsize);
+	if (!rxbuf && rxsize == 0 && !txbuf && txsize == 0) {
+		LOGF_KLOG_ERROR("%s: invalid data\n");
+		dump_stack();
 		goto out;
 	}
 
-	if (!txbuf || txsize == 0) {
-		LOGF_KLOG_ERROR("%s: invalid txbuf=%x txsize=%d\n",
-				__func__, txbuf, txsize);
-		goto out;
-	}
 	status = 0;
 
 out:
-	dump_stack();
-
 	return status;
 }