On Fri, 7 Sep 2012 22:58:44 +0200, Jean Delvare wrote: > If kernel is compiled with CONFIG_PROVE_LOCKING the > validator raises an error when a multiplexer is removed > via sysfs and sub-clients are connected to it. This is a > false positive. > Documentation/lockdep-design.txt recommends to handle this > via calls to mutex_lock_nested(). > > Based on an earlier fix from Michael Lawnick. > > Note that the extra code resolves to nothing unless > CONFIG_DEBUG_LOCK_ALLOC=y. ... which in turn causes a compiler warning if CONFIG_DEBUG_LOCK_ALLOC isn't set. drivers/i2c/i2c-core.c:639:21: warning: ‘i2c_adapter_depth’ defined but not used [-Wunused-function] Not sure how I missed that yesterday. I'll make the function inline, that should fix it, and that's what gcc ends up doing anyway. -- Jean Delvare -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
