On Tue, Jan 22, 2019 at 03:56:06PM +0000, Mark Brown wrote: > On Tue, Jan 22, 2019 at 04:21:06PM +0100, Greg Kroah-Hartman wrote: > > When calling debugfs functions, there is no need to ever check the > > return value. The function can work or not, but the code logic should > > never do something different based on this. > > Given that all the rest of the function is doing is further debugfs > operations and when it fails people trying to use the debugfs do welcome > some diagnostics I'm not sure that's particularly helpful.
The only way it will fail is if we are out of memory. And you are in a bigger mess then, no one cares about debugfs calls, just make them and move on, you should never care about the result of such a call. thanks, greg k-h
