From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 27 Feb 2009 05:12:38 +0000 (-0500)
Subject: tracing: use pointer error returns for __tracing_open
X-Git-Tag: v2.6.30-rc1~2^2~76^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85a2f9b46f8cd8aaa11c64c715e1ea3ec27ec486;p=pandora-kernel.git

tracing: use pointer error returns for __tracing_open

Impact: fix compile warning and clean up

When I first wrote __tracing_open, instead of passing the error
code via the ERR_PTR macros, I lazily used a separate parameter
to hold the return for errors.

When Frederic Weisbecker updated that function, he used the Linux
kernel ERR_PTR for the returns. This caused the parameter return
to possibly not be initialized on error. gcc correctly pointed this
out with a warning.

This patch converts the entire function to use the Linux kernel
ERR_PTR macro methods.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
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