linux-kernel - linux-next: build warning after merge of the thermal tree

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Date:   Tue, 22 Oct 2019 10:23:34 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Amit Kucheria <amit.kucheria@...aro.org>
Subject: linux-next: build warning after merge of the thermal tree

Hi all,

After merging the thermal tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

In file included from drivers/thermal/qcom/tsens-common.c:13:
drivers/thermal/qcom/tsens-common.c: In function 'tsens_set_interrupt':
include/linux/regmap.h:87:2: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized]
   87 |  regmap_field_update_bits_base(field, ~0, val, NULL, false, false)
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/thermal/qcom/tsens-common.c:183:6: note: 'index' was declared here
  183 |  u32 index;
      |      ^~~~~
In file included from drivers/thermal/qcom/tsens-common.c:13:
include/linux/regmap.h:87:2: warning: 'index_clear' may be used uninitialized in this function [-Wmaybe-uninitialized]
   87 |  regmap_field_update_bits_base(field, ~0, val, NULL, false, false)
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/thermal/qcom/tsens-common.c:199:18: note: 'index_clear' was declared here
  199 |  u32 index_mask, index_clear;
      |                  ^~~~~~~~~~~
drivers/thermal/qcom/tsens-common.c:199:6: warning: 'index_mask' may be used uninitialized in this function [-Wmaybe-uninitialized]
  199 |  u32 index_mask, index_clear;
      |      ^~~~~~~~~~

Introduced by commit

  fbfe1a042cfd ("drivers: thermal: tsens: Add interrupt support")

-- 
Cheers,
Stephen Rothwell

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