From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Tue, 8 Jun 2010 16:58:10 +0000 (+0200)
Subject: [S390] kprobes: add parameter check to module_free()
X-Git-Tag: v2.6.35-rc3~24^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3164a3cbf8a6bdf85fe3816fe670b391f31c004a;p=pandora-kernel.git

[S390] kprobes: add parameter check to module_free()

When unregistering kprobes, kprobes calls module_free() and
always passes NULL for the mod parameter.  Add a check to
prevent NULL pointer dereferences.

See commit 740a8de0796dd12890b3c8ddcfabfcb528b78d40 for more details.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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