netdev - [PATCH 1/1] mISDN: Mark local variable 'incomplete' as __maybe_unused in dsp_pipeline

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Message-ID: <20210519125352.7991-1-thunder.leizhen@huawei.com>
Date:   Wed, 19 May 2021 20:53:52 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Karsten Keil <isdn@...ux-pingi.de>, netdev <netdev@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/1] mISDN: Mark local variable 'incomplete' as __maybe_unused in dsp_pipeline_build()

GCC reports the following warning with W=1:

drivers/isdn/mISDN/dsp_pipeline.c:221:6: warning:
 variable 'incomplete' set but not used [-Wunused-but-set-variable]
  221 |  int incomplete = 0, found = 0;
      |      ^~~~~~~~~~

This variable is used only when macro PIPELINE_DEBUG is defined.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 drivers/isdn/mISDN/dsp_pipeline.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/isdn/mISDN/dsp_pipeline.c b/drivers/isdn/mISDN/dsp_pipeline.c
index 40588692cec7..6a31f6879da8 100644
--- a/drivers/isdn/mISDN/dsp_pipeline.c
+++ b/drivers/isdn/mISDN/dsp_pipeline.c
@@ -218,7 +218,7 @@ void dsp_pipeline_destroy(struct dsp_pipeline *pipeline)
 
 int dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg)
 {
-	int incomplete = 0, found = 0;
+	int __maybe_unused incomplete = 0, found = 0;
 	char *dup, *tok, *name, *args;
 	struct dsp_element_entry *entry, *n;
 	struct dsp_pipeline_entry *pipeline_entry;
-- 
2.25.1