fixed a possible issue in wind direction fetch

2019-11-18 22:53:31 +08:00
parent 4c299ee94c
commit 94796b459d
1 changed files with 3 additions and 0 deletions
--- a/src/ir_decoder/src/ir_decode.c
+++ b/src/ir_decoder/src/ir_decode.c
@@ -581,6 +581,9 @@ INT8 get_supported_wind_direction(UINT8 *supported_wind_direction)
    if (NULL != context)
    {
        *supported_wind_direction = (UINT8) (context->si.mode_count - 1);
+        if (*supported_wind_direction < 0) {
+            *supported_wind_direction = 0;
+        }
        return IR_DECODE_SUCCEEDED;
    }
    else