From: Uwe Kleine-König <uwe@kleine-koenig.org>
Date: Fri, 23 Mar 2012 22:01:53 +0000 (-0700)
Subject: drivers/staging/telephony/ixj.c: fix warning about sequence points
X-Git-Tag: v3.4-rc1~109^2~131
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=953326cb60c1dff1bd3458d6468d16d75f2bcd61;p=pandora-kernel.git

drivers/staging/telephony/ixj.c: fix warning about sequence points

In the statement

	j->caplist[j->caps].handle = j->caps++;

there is no sequence point between the usage of j->caps on the LHS of
the assignment and the incrementation on its RHS.  So it's not defined
in Standard C if j->caps is already incremented when used on the LHS
even though the postfix ++ operator is used.  To properly fix that the
incrementation has to be done in a separate expression.

This fixes:
	drivers/telephony/ixj.c: In function `add_caps':
	drivers/telephony/ixj.c:5930:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:5950:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:5954:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:5965:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:5976:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:5988:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:5998:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6003:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6008:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6013:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6019:38: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6026:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6031:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6036:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6041:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6049:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6057:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6065:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]
	drivers/telephony/ixj.c:6071:39: warning: operation on `j->caps' may be undefined [-Wsequence-point]

Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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