From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Boyd Date: Wed, 21 Oct 2015 23:14:58 +0000 Subject: Re: [PATCH 2/5] clk: si5351: add missing of_node_put Message-Id: <20151021231458.GI19782@codeaurora.org> List-Id: References: <1445460100-26727-1-git-send-email-Julia.Lawall@lip6.fr> <1445460100-26727-3-git-send-email-Julia.Lawall@lip6.fr> In-Reply-To: <1445460100-26727-3-git-send-email-Julia.Lawall@lip6.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Julia Lawall Cc: Michael Turquette , kernel-janitors@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Russell King - ARM Linux , Thomas Petazzoni , Andrew Lunn , Bjorn Helgaas , Jason Cooper On 10/21, Julia Lawall wrote: > for_each_child_of_node performs an of_node_get on each iteration, so > a break out of the loop requires an of_node_put. > > A simplified version of the semantic patch that fixes this problem is as > follows (http://coccinelle.lip6.fr): > > // > @@ > expression root,e; > local idexpression child; > @@ > > for_each_child_of_node(root, child) { > ... when != of_node_put(child) > when != e = child > ( > return child; > | > + of_node_put(child); > ? return ...; > ) > ... > } > // > > The resulting puts were manually moved to the end of the function for > conciseness. > > Signed-off-by: Julia Lawall > > --- Applied to clk-next -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project