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authorDan Carpenter <dan.carpenter@oracle.com>2019-06-21 01:12:37 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-03 22:15:33 +0300
commit0530ef6b41e80c5cc979e0e50682302161edb6b7 (patch)
tree9d8801962fccbaf1844db9a86cb0f70d0d3efee2 /drivers/hwtracing
parent730766bae3280a25d40ea76a53dc6342e84e6513 (diff)
downloadlinux-0530ef6b41e80c5cc979e0e50682302161edb6b7.tar.xz
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 <dan.carpenter@oracle.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20190620221237.3536-6-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/coresight/coresight-funnel.c1
1 files changed, 1 insertions, 0 deletions
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))