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[4/6] coresight tmc etr: Fix uninitialised variable

Message ID 1525889168-20574-5-git-send-email-mathieu.poirier@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Mathieu Poirier May 9, 2018, 6:06 p.m. UTC 
Variable 'paddr' can't be used if uninitialised but is nonetheless
confusing to some static checker.  As such simply initialise it to zero.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
 drivers/hwtracing/coresight/coresight-tmc-etr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index 8ee8c66f4002..f57199580c11 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -113,7 +113,7 @@  static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev)
 	bool used = false;
 	unsigned long flags;
 	void __iomem *vaddr = NULL;
-	dma_addr_t paddr;
+	dma_addr_t paddr = 0;
 	struct tmc_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);