From: Colin Ian King <colin.king@canonical.com>
Date: Sat, 17 May 2014 22:33:44 +0000 (+0100)
Subject: IB/mlx4: fix unitialised variable is_mcast
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~68^2^7~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bfdfcfee3c9281e9cd28c0b08235aba1762504a6;p=pandora-kernel.git

IB/mlx4: fix unitialised variable is_mcast

Commit 297e0dad7206 ("IB/mlx4: Handle Ethernet L2 parameters for IP
based GID addressing") introduced a bug where is_mcast is now no
longer initialized on the non-multicast condition and so it can be
any random value from the stack.  This issue was detected by cppcheck:

    [drivers/infiniband/hw/mlx4/ah.c:103]: (error) Uninitialized
      variable: is_mcast

Simple fix is to initialise is_mcast to zero.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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