Fix crash on SD.end() without initial SD.begin() (#2222)

Fixes #2220
earlephilhower · Jun 11, 2024 · 4ab0ba6 · 4ab0ba6
1 parent eb0badd
commit 4ab0ba6
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/libraries/SD/src/SD.h b/libraries/SD/src/SD.h
@@ -43,8 +43,9 @@ class SDClass {
 
     void end(bool endSPI = true) {
         SDFS.end();
-        if (endSPI) {
+        if (endSPI && _spi) {
             _spi->end();
+            _spi = nullptr;
         }
     }
 
@@ -205,7 +206,7 @@ class SDClass {
         return time(nullptr);
     }
 
-    HardwareSPI *_spi;
+    HardwareSPI *_spi = nullptr;
 };