From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Fri, 16 Dec 2011 12:48:33 +0000 Subject: re: driver-core: implement 'sysdev' functionality for regular Message-Id: <20111216124833.GA9100@elgon.mountain> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org Hello Kay Sievers, This is a semi-automatic email about new static checker warnings. The patch ca22e56debc5: "driver-core: implement 'sysdev' functionality for regular devices and buses" from Dec 14, 2011, leads to the following Smatch complaint: drivers/base/bus.c +1200 subsys_interface_unregister() warn: variable dereferenced before check 'sif' (see line 1196) drivers/base/bus.c 1195 { 1196 struct bus_type *subsys = sif->subsys; ^^^^^^^^^^^ New dereference. 1197 struct subsys_dev_iter iter; 1198 struct device *dev; 1199 1200 if (!sif) ^^^^ New check. 1201 return; 1202 regards, dan carpenter