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* re: driver-core: implement 'sysdev' functionality for regular
@ 2011-12-16 12:48 Dan Carpenter
  0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2011-12-16 12:48 UTC (permalink / raw)
  To: kernel-janitors


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


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