From: Andrew Morton <akpm@linux-foundation.org>
Date: Fri, 8 Jun 2007 23:29:43 +0000 (-0700)
Subject: IB: Fix ib_umem_get() when npages == 0
X-Git-Tag: v2.6.23-rc1~1085^2~72
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d3f4b905a786d69103d9e6d8e92683fb2c7a027;p=pandora-kernel.git

IB: Fix ib_umem_get() when npages == 0

gcc correctly warned:

drivers/infiniband/core/umem.c: In function 'ib_umem_get':
drivers/infiniband/core/umem.c:78: warning: 'ret' may be used uninitialized in this function

Set ret to 0 in case npages == 0 and the loop isn't entered at all.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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