From: Wei Yang <weiyang@linux.vnet.ibm.com>
Date: Tue, 30 Jun 2015 01:16:44 +0000 (+0800)
Subject: PCI: Simplify pci_find_(ext_)capability() return value checks
X-Git-Tag: omap-for-v4.3/fixes-merge-window~31^2~4^3~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a1a9b49427f13b6e12366eb8f06b8094ab61447;p=pandora-kernel.git

PCI: Simplify pci_find_(ext_)capability() return value checks

The return value of the pci_find_(ext_)capability() is either zero or the
position of a capability.  It is never negative.

This patch consolidates the form of check from (pos <= 0) to (!pos).

Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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