re: params: add 3rd arg to option handler callback signature

[Dan Carpenter]

Hello Jim Cromie,

This is a semi-automatic email about new static checker warnings in
linux-next.

The patch 9fb48c744ba6: "params: add 3rd arg to option handler
callback signature" from Apr 27, 2012, leads to the following Smatch
complaint:

kernel/params.c:196 parse_args()
	 error: we previously assumed 'args' could be null (see line 193)

kernel/params.c
   192	
   193		if (args && *args)
                    ^^^^
New check.

   194			pr_debug("doing %s, parsing ARGS: '%s'\n", doing, args);
   195	
   196		while (*args) {
                       ^^^^^
Old dereference.

   197			int ret;
   198			int irq_was_disabled;

regards,
dan carpenter

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