MINOR: debug: consume the write() result in BUG_ON() to silence a warning

Tim reported that BUG_ON() issues warnings on his distro, as the libc marks
some syscalls with __attribute__((warn_unused_result)). Let's pass the
write() result through DISGUISE() to hide it.

diff --git a/include/common/debug.h b/include/common/debug.h
index df85522..c6c154c 100644 (file)
--- a/include/common/debug.h
+++ b/include/common/debug.h
@@ -59,7 +59,7 @@
        do {                                                                   \
                if (unlikely(cond)) {                                          \
                        const char msg[] = "\nFATAL: bug condition \"" #cond "\" matched at " file ":" #line "\n"; \
-                       (void)write(2, msg, strlen(msg));                      \
+                       DISGUISE(write(2, msg, strlen(msg)));                  \
                        CRASH_NOW();                                           \
                }                                                              \
        } while (0)