From: Julia Lawall <julia@diku.dk>
Date: Mon, 23 Jun 2008 18:14:52 +0000 (+1000)
Subject: drivers/macintosh/smu.c: Improve error handling
X-Git-Tag: v2.6.27-rc1~1058^2~101
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=73f38fe1b563a9d23ffacbda7b51decf41b0c49c;p=pandora-kernel.git

drivers/macintosh/smu.c: Improve error handling

This makes two changes:

* As noted by Akinobu Mita in patch
b1fceac2b9e04d278316b2faddf276015fc06e3b, alloc_bootmem never returns NULL
and always returns a zeroed region of memory.  Thus the error checking code
and memset after the call to alloc_bootmem are not necessary.

* The old error handling code consisted of setting a global variable to
NULL and returning an error code, which could cause previously allocated
resources never to be freed.  The patch adds calls to appropriate resource
deallocation functions.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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