On Mon, Jun 13, 2016 at 05:12:27PM +0800, dongke di wrote: > struct path path; > int r = kern_path( "/tmp/abc.txt", LOOKUP_FOLLOW | LOOKUP_PARENT, &path ); > > The file abc.txt does not exist. > > On Ubuntu 14.04 ( kernel 3.13 ), r is zero (succed). > On Ubuntu 16.04 ( kernel 4.4 ), r is -2 ( fail). > > Is it a bug or other else ?
It is - in the code that passes LOOKUP_PARENT to kern_path(). What are is it trying to do there? Need more context...