unobfuscate follow_up() a bit
authorAl Viro <viro@zeniv.linux.org.uk>
Wed, 18 Jul 2012 13:32:50 +0000 (17:32 +0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Sun, 22 Jul 2012 20:00:45 +0000 (00:00 +0400)
commit3c0a6163688b8ca3f44029c7bdb3d91a865c878a
tree2b851ad65356da182610d0cb0bff5b1b22824ae8
parentde9b9422026357c878a9fa3714936be0e1388e9c
unobfuscate follow_up() a bit

really convoluted test in there has grown up during struct mount
introduction; what it checks is that we'd reached the root of
mount tree.
fs/namei.c