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perf header: Fix double fclose() on do_write(fd, xxx) failure
authorThomas Jarosch <thomas.jarosch@intra2net.com>
Mon, 28 Jan 2013 09:21:14 +0000 (10:21 +0100)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 30 Jan 2013 13:40:44 +0000 (10:40 -0300)
cppcheck reported:
[util/header.c:983]: (error) Used file that is not opened.

Thanks to Arnaldo Carvalho de Melo for pointing out that
fclose(NULL) is undefined behavior -> protect against it.

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Link: http://lkml.kernel.org/r/1751778.SZQB4fNdIh@storm
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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