From: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Date: Thu, 25 Jul 2013 05:54:35 +0000 (+0530)
Subject: [SCSI] mpt2sas: Null pointer deference possibility in mpt2sas_ctl_event_callback... 
X-Git-Tag: v3.12-rc1~180^2~60
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6409a7d000020ffdd61082af8bb24291d2cdc1a6;p=pandora-kernel.git

[SCSI] mpt2sas: Null pointer deference possibility in mpt2sas_ctl_event_callback function

Added a check to identify if mpi_reply is NULL in mpt2sas_ctl_event_callback()
and return without proceeding if it is the case.

Also modified the following functions to return void instead of 0 or 1
as returning those values from events perspective doesn't make sense.
* _base_async_event()
* mpt2sas_ctl_event_callback()
* mpt2sas_scsih_event_callback()

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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