From: Namhyung Kim <namhyung.kim@lge.com>
Date: Mon, 17 Dec 2012 06:38:54 +0000 (+0900)
Subject: perf header: Ensure read/write finished successfully
X-Git-Tag: v3.9-rc1~173^2~13^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5323f60c7578e9ddc92d1ca8a2d7b08284624cd1;p=pandora-kernel.git

perf header: Ensure read/write finished successfully

Use readn instead of read and check return value of do_write.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Suggested-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1355726345-29553-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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