vfs: don't BUG_ON() if following a /proc fd pseudo-symlink results in a symlink
vfs: don't BUG_ON() if following a /proc fd pseudo-symlink results in a symlink

It's "normal" - it can happen if the file descriptor you followed was
opened with O_NOFOLLOW.

Reported-by: Dave Jones <d5ec0d24602845f6f4b6a35ef729998d1fba5507@redhat.com>
Cc: Al Viro <de609eb4d5d70b1d38ec6642adbfc33a2781f63c@zeniv.linux.org.uk>
Cc: 4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@kernel.org
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas