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author | Dan Carpenter <dan.carpenter@oracle.com> | 2019-06-20 16:12:37 -0600 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-14 08:01:13 +0200 |
commit | 3204bd0c8b982f2d60bce8ef0943ae7a830f5a4e (patch) | |
tree | dd73a40505f82937506d336c6c0fd47cb6a6b4e3 | |
parent | 26a202b539837cb948345f4a5f1d7000cbd9c2cd (diff) | |
download | linux-stable-3204bd0c8b982f2d60bce8ef0943ae7a830f5a4e.tar.gz linux-stable-3204bd0c8b982f2d60bce8ef0943ae7a830f5a4e.tar.bz2 linux-stable-3204bd0c8b982f2d60bce8ef0943ae7a830f5a4e.zip |
coresight: Potential uninitialized variable in probe()
commit 0530ef6b41e80c5cc979e0e50682302161edb6b7 upstream.
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>
-rw-r--r-- | drivers/hwtracing/coresight/coresight-funnel.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c index 16b0c0e1e43a..ad6e16c96263 100644 --- a/drivers/hwtracing/coresight/coresight-funnel.c +++ b/drivers/hwtracing/coresight/coresight-funnel.c @@ -241,6 +241,7 @@ 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)) |