[mynewt-core] branch master updated: uart_console: console_queue_char() should chk if device is open (#1130)

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vipulrahane pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/mynewt-core.git


The following commit(s) were added to refs/heads/master by this push:
     new 6a7d515  uart_console: console_queue_char() should chk if device is open (#1130)
6a7d515 is described below

commit 6a7d51534f16fbf19120107fb3b5305c101897c3
Author: Vipul Rahane <vr...@gmail.com>
AuthorDate: Wed May 23 18:48:49 2018 -0700

    uart_console: console_queue_char() should chk if device is open (#1130)
---
 sys/console/full/src/uart_console.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/console/full/src/uart_console.c b/sys/console/full/src/uart_console.c
index 31a462b..05c6c72 100644
--- a/sys/console/full/src/uart_console.c
+++ b/sys/console/full/src/uart_console.c
@@ -89,6 +89,10 @@ console_queue_char(struct uart_dev *uart_dev, uint8_t ch)
 {
     int sr;
 
+    if ((uart_dev->ud_dev->od_flags & OS_DEV_F_STATUS_OPEN) == 0) {
+        return;
+    }
+
     OS_ENTER_CRITICAL(sr);
     while (console_ring_is_full(&cr_tx)) {
         /* TX needs to drain */

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