proc: Fix Oops on stat of /proc/<zombie pid>/ns/net
authorEric W. Biederman <ebiederm@xmission.com>
Wed, 15 Jun 2011 19:47:04 +0000 (12:47 -0700)
committerEric W. Biederman <ebiederm@xmission.com>
Wed, 15 Jun 2011 21:35:29 +0000 (14:35 -0700)
commit793925334f32e9026c22baee5c3c340f47d4ef7e
tree56682059a84cf6ee12b664ac32b42d431f8c4be8
parent2c53b436a30867eb6b47dd7bab23ba638d1fb0d2
proc: Fix Oops on stat of /proc/<zombie pid>/ns/net

Don't call iput with the inode half setup to be a namespace filedescriptor.
Instead rearrange the code so that we don't initialize ei->ns_ops until
after I ns_ops->get succeeds, preventing us from invoking ns_ops->put
when ns_ops->get failed.

Reported-by: Ingo Saitz <Ingo.Saitz@stud.uni-hannover.de>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
fs/proc/namespaces.c