| Date | Sun, 24 May 2009 17:45:22 -0500 | From | "Serge E. Hallyn" <> | Subject | Re: [PATCH 08/38] pidns 2/2: rewrite copy_pid_ns() |
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Quoting Alexey Dobriyan (adobriyan@gmail.com): > copy_pid_ns() is a perfect example of a case where unwinding leads to more > code and makes it less clear. Watch the diffstat. > > Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Serge Hallyn <serue@us.ibm.com>
> --- > kernel/pid_namespace.c | 18 +++--------------- > 1 files changed, 3 insertions(+), 15 deletions(-) > > diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c > index 495d5de..821722a 100644 > --- a/kernel/pid_namespace.c > +++ b/kernel/pid_namespace.c > @@ -116,23 +116,11 @@ static void destroy_pid_namespace(struct pid_namespace *ns) > > struct pid_namespace *copy_pid_ns(unsigned long flags, struct pid_namespace *old_ns) > { > - struct pid_namespace *new_ns; > - > - BUG_ON(!old_ns); > - new_ns = get_pid_ns(old_ns); > if (!(flags & CLONE_NEWPID)) > - goto out; > - > - new_ns = ERR_PTR(-EINVAL); > + return get_pid_ns(old_ns); > if (flags & CLONE_THREAD) > - goto out_put; > - > - new_ns = create_pid_namespace(old_ns); > - > -out_put: > - put_pid_ns(old_ns); > -out: > - return new_ns; > + return ERR_PTR(-EINVAL); > + return create_pid_namespace(old_ns); > } > > void free_pid_ns(struct kref *kref) > -- > 1.5.6.5 > > _______________________________________________ > Containers mailing list > Containers@lists.linux-foundation.org > https://lists.linux-foundation.org/mailman/listinfo/containers
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