On Wed, Apr 26, 2006 at 11:23:39AM +0530, Vishal Sharda wrote: > > In the function "class_device_add" in inux26/drivers/base/class.c > There is one statement: > > parent = class_get(class_dev->class); > > My question is that can return value of class_get i.e. value of parent > be NULL? > > I tried to track it down and couldn't find the instance where it can be > NULL. If class_dev->class == NULL, then class_get() will also return NULL. > **************** CAUTION - Disclaimer ***************** > This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended > solely for the use of the addressee(s). If you are not the intended > recipient, please notify the sender by e-mail and delete the original > message. Further, you are not to copy, disclose, or distribute this > e-mail or its contents to any other person and any such actions are > unlawful. This e-mail may contain viruses. Infosys has taken every > reasonable precaution to minimize this risk, but is not liable for any > damage you may sustain as a result of any virus in this e-mail. You > should carry out your own virus checks before opening the e-mail or > attachment. Infosys reserves the right to monitor and review the > content of all messages sent to or from this e-mail address. Messages > sent to or from this e-mail address may be stored on the Infosys > e-mail system. > ***INFOSYS******** End of Disclaimer ********INFOSYS*** Oops, you just posted this in public, so it sure isn't "CONFIDENTIAL" anymore... greg k-h -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/