From: Johannes Berg <johannes.berg@xxxxxxxxx>
To avoid warnings on old kernels, improve the macro
and give it some content rather than nothing.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
backport/backport-include/linux/pm.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/backport/backport-include/linux/pm.h b/backport/backport-include/linux/pm.h
index a78477c..70f3a21 100644
--- a/backport/backport-include/linux/pm.h
+++ b/backport/backport-include/linux/pm.h
@@ -51,7 +51,10 @@ struct dev_pm_ops name = { \
.restore = resume_fn, \
}
#else
-#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn)
+#define ___BACKPORT_PASTE(a, b) a##b
+#define __BACKPORT_PASTE(a, b) ___BACKPORT_PASTE(a,b)
+#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
+ struct {} __maybe_unused __BACKPORT_PASTE(__backport_avoid_warning_, __LINE__)
#endif /* >= 2.6.29 */
#endif /* < 2.6.32 */
--
1.8.0
--
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