linux-kernel - [PATCH] drm/komeda: Clean warning 'komeda_component_add' might be a candidate for 'gnu

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Message-ID: <20190813110759.10425-1-james.qian.wang@arm.com>
Date:   Tue, 13 Aug 2019 11:08:20 +0000
From:   "james qian wang (Arm Technology China)" <james.qian.wang@....com>
To:     Liviu Dudau <Liviu.Dudau@....com>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        Brian Starkey <Brian.Starkey@....com>,
        "maarten.lankhorst@...ux.intel.com" 
        <maarten.lankhorst@...ux.intel.com>,
        "sean@...rly.run" <sean@...rly.run>
CC:     "Jonathan Chai (Arm Technology China)" <Jonathan.Chai@....com>,
        "Julien Yin (Arm Technology China)" <Julien.Yin@....com>,
        "Thomas Sun (Arm Technology China)" <thomas.Sun@....com>,
        "Lowry Li (Arm Technology China)" <Lowry.Li@....com>,
        Ayan Halder <Ayan.Halder@....com>,
        "Tiannan Zhu (Arm Technology China)" <Tiannan.Zhu@....com>,
        "Yiqi Kang (Arm Technology China)" <Yiqi.Kang@....com>,
        nd <nd@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        Ben Davis <Ben.Davis@....com>,
        "Oscar Zhang (Arm Technology China)" <Oscar.Zhang@....com>,
        "Channing Chen (Arm Technology China)" <Channing.Chen@....com>,
        Mihail Atanassov <Mihail.Atanassov@....com>,
        "james qian wang (Arm Technology China)" <james.qian.wang@....com>
Subject: [PATCH] drm/komeda: Clean warning 'komeda_component_add' might be a
 candidate for 'gnu_printf'

komeda/komeda_pipeline.c: In function 'komeda_component_add':
komeda/komeda_pipeline.c:212:3: warning: function 'komeda_component_add' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
   vsnprintf(c->name, sizeof(c->name), name_fmt, args);
   ^~~~~~~~~

Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@....com>
---
 drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h
index a90bcbb3cb23..14b683164544 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h
@@ -480,6 +480,7 @@ void komeda_pipeline_dump_register(struct komeda_pipeline *pipe,
 				   struct seq_file *sf);
 
 /* component APIs */
+extern __printf(10, 11)
 struct komeda_component *
 komeda_component_add(struct komeda_pipeline *pipe,
 		     size_t comp_sz, u32 id, u32 hw_id,
-- 
2.20.1