examples/sdio: Fix an uninitialized buffer which sometimes caused a test fail

diff --git a/examples/peripherals/sdio/slave/main/app_main.c b/examples/peripherals/sdio/slave/main/app_main.c
index 4f6eeddbc1a3958bbcb44fd0f802978d3dc6dedf..ced905d90cc51c9ea10d224f9dab4a3124ea6b39 100644 (file)
--- a/examples/peripherals/sdio/slave/main/app_main.c
+++ b/examples/peripherals/sdio/slave/main/app_main.c
@@ -130,7 +130,7 @@ static esp_err_t task_write_reg()
         if (i >= 28 && i <= 31) continue;
         sdio_slave_write_reg(i, read+3*i);
     }
-    uint8_t reg[64];
+    uint8_t reg[64] = {0};
     for (int i = 0; i < 64; i++) {
         //skip interrupt regs.
         if (i >= 28 && i <= 31) continue;