[PATCH] bug: add comments for BUG_ON() and BUG()

From: Dmitry Voytik
Date: Sun Jan 11 2015 - 15:06:22 EST


Signed-off-by: Dmitry Voytik <voytikd@xxxxxxxxx>
---
include/asm-generic/bug.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 630dd23..b0aa488 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -43,6 +43,10 @@ struct bug_entry {
* If you're tempted to BUG(), think again: is completely giving up
* really the *only* solution? There are usually better options, where
* users don't need to reboot ASAP and can mostly shut down cleanly.
+ *
+ * Use BUG_ON(unexpected_fatal_condition) instead of just:
+ * if (unexpected_fatal_condition)
+ * BUG();
*/
#ifndef HAVE_ARCH_BUG
#define BUG() do { \
--
1.9.1

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