fix:uart_rpmsg_dmareceive data copy to nbuffer should start from data + length

guohao15 · Alan Carvalho de Assis · commit 458bab9ae7f9 · 2024-08-22T09:23:12.000-03:00
Signed-off-by: guohao15 &lt;guohao15@xiaomi.com&gt;
diff --git a/drivers/serial/uart_rpmsg.c b/drivers/serial/uart_rpmsg.c
@@ -236,7 +236,7 @@ static void uart_rpmsg_dmareceive(FAR struct uart_dev_s *dev)
   if (len > xfer->length)
     {
       memcpy(xfer->buffer, msg->data, xfer->length);
-      memcpy(xfer->nbuffer, msg->data, len - xfer->length);
+      memcpy(xfer->nbuffer, msg->data + xfer->length, len - xfer->length);
     }
   else
     {

Original file line number	Diff line number	Diff line change
`@@ -236,7 +236,7 @@ static void uart_rpmsg_dmareceive(FAR struct uart_dev_s *dev)`
`236`	`236`	`if (len > xfer->length)`
`237`	`237`	`{`
`238`	`238`	`memcpy(xfer->buffer, msg->data, xfer->length);`
`239`		`- memcpy(xfer->nbuffer, msg->data, len - xfer->length);`
	`239`	`+ memcpy(xfer->nbuffer, msg->data + xfer->length, len - xfer->length);`
`240`	`240`	`}`
`241`	`241`	`else`
`242`	`242`	`{`