From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 29 May 2014 08:23:23 +0000 (+0300)
Subject: dm raid: fix a couple integer overflows
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~100^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ca5a21a9c02bdebe2d95268482031f002efcf23;p=pandora-kernel.git

dm raid: fix a couple integer overflows

My static checker complains that if "num_raid_params" is UINT_MAX then
the "if (num_raid_params + 1 > argc) {" check doesn't work as intended.

The other change is that I moved the "if (argc != (num_raid_devs * 2))"
condition forward a few lines so it was before the call to
context_alloc().  If we had an integer overflow inside that function
then it would lead to an immediate crash.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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