Hi,
> -----Original Message-----
> From: Dan Carpenter [mailto:dan.carpen...@oracle.com]
> Sent: Wednesday, September 26, 2012 1:58 AM
> To: R, Durgadoss
> Cc: Zhang, Rui; linux-kernel@vger.kernel.org
> Subject: re: Thermal: Update binding logic based on platform data
>
> Hello Durgadoss R,
>
> This is a semi-automatic email about new static checker warnings.
>
> The patch 9b70dfa68ae8: "Thermal: Update binding logic based on
> platform data" from Sep 18, 2012, leads to the following Smatch
> complaint:
looking into this. Will submit appropriate fix patches soon.
Is there a way for me to check/verify these kind of warnings from
my side ? This way, I can do the check before I submit each patch.
Thanks,
Durga
>
> drivers/thermal/thermal_sys.c:292 bind_tz()
> error: we previously assumed 'tzp' could be null (see line 283)
>
> drivers/thermal/thermal_sys.c
> 282 /* If there is no platform data, try to use ops->bind */
> 283 if (!tzp && tz->ops->bind) {
> ^^^^
> New check.
>
> 284 list_for_each_entry(pos, &thermal_cdev_list,
> node)
> {
> 285 ret = tz->ops->bind(tz, pos);
> 286 if (ret)
> 287 print_bind_err_msg(tz, pos,
> ret);
> 288 }
> 289 goto exit;
> 290 }
> 291
> 292 if (!tzp->tbp)
> ^^^^^^^^
> New dereference.
>
> 293 goto exit;
> 294
>
> There are also some locking bugs which need to be fixed as well.
>
> drivers/thermal/thermal_sys.c:268 bind_cdev() warn: inconsistent returns
> mutex:&thermal_list_lock: locked (256) unlocked (268)
> drivers/thermal/thermal_sys.c:396 update_temperature() warn:
> inconsistent returns mutex:&tz->lock: locked (390) unlocked (396)
>
> regards,
> dan carpenter
>
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