Subject: linux-next: build failure after merge of the hwmon-fixes tree

From: Stephen Rothwell <[email-masked]>
Date: Thu, 6 Jun 2019 08:30:34 +1000

Hi Guenter,

After merging the hwmon-fixes tree, today's linux-next build
(x86_64 allmodconfig) failed like this:

In file included from include/linux/notifier.h:14,
                 from arch/x86/include/asm/uprobes.h:13,
                 from include/linux/uprobes.h:49,
                 from include/linux/mm_types.h:14,
                 from include/linux/mmzone.h:21,
                 from include/linux/gfp.h:6,
                 from include/linux/xarray.h:14,
                 from include/linux/radix-tree.h:18,
                 from include/linux/fs.h:15,
                 from include/linux/debugfs.h:15,
                 from drivers/hwmon/pmbus/pmbus_core.c:9:
drivers/hwmon/pmbus/pmbus_core.c: In function 'pmbus_set_samples':
drivers/hwmon/pmbus/pmbus_core.c:1975:14: error: 'data' undeclared (first use in this function); did you mean '_data'?
  mutex_lock(&data->update_lock);
              ^~~~
include/linux/mutex.h:166:44: note: in definition of macro 'mutex_lock'
 #define mutex_lock(lock) mutex_lock_nested(lock, 0)
                                            ^~~~
drivers/hwmon/pmbus/pmbus_core.c:1975:14: note: each undeclared identifier is reported only once for each function it appears in
  mutex_lock(&data->update_lock);
              ^~~~
include/linux/mutex.h:166:44: note: in definition of macro 'mutex_lock'
 #define mutex_lock(lock) mutex_lock_nested(lock, 0)
                                            ^~~~

Caused by commit

  8d719d6f3e97 ("hwmon: (pmbus/core) mutex_lock write in pmbus_set_samples")

I have reverted that commit for today.

-- 
Cheers,
Stephen Rothwell