Update WARN_ON() to return a value
In linux v4.9 this returns a value. This saves checking the warning
condition twice in some code.
Update the U-Boot version to do this also.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/linux/compat.h b/include/linux/compat.h
index a43e4d6..03f9bef 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -106,8 +106,12 @@
#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
#endif /* BUG */
-#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
- , __FILE__, __LINE__); }
+#define WARN_ON(condition) ({ \
+ int __ret_warn_on = !!(condition); \
+ if (unlikely(__ret_warn_on)) \
+ printf("WARNING in %s line %d\n", __FILE__, __LINE__);; \
+ unlikely(__ret_warn_on); \
+})
#define PAGE_SIZE 4096