From 0530ef6b41e80c5cc979e0e50682302161edb6b7 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 20 Jun 2019 16:12:37 -0600 Subject: [PATCH] coresight: Potential uninitialized variable in probe() The "drvdata->atclk" clock is optional, but if it gets set to an error pointer then we're accidentally return an uninitialized variable instead of success. Fixes: 78e6427b4e7b ("coresight: funnel: Support static funnel") Signed-off-by: Dan Carpenter Signed-off-by: Mathieu Poirier Cc: stable Link: https://lore.kernel.org/r/20190620221237.3536-6-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/hwtracing/coresight/coresight-funnel.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c index 5867fcb4503b..fa97cb9ab4f9 100644 --- a/drivers/hwtracing/coresight/coresight-funnel.c +++ b/drivers/hwtracing/coresight/coresight-funnel.c @@ -244,6 +244,7 @@ static int funnel_probe(struct device *dev, struct resource *res) } pm_runtime_put(dev); + ret = 0; out_disable_clk: if (ret && !IS_ERR_OR_NULL(drvdata->atclk)) -- 2.11.0