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authorArvind Yadav <arvind.yadav.cs@gmail.com>2018-05-09 20:06:03 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-14 16:19:59 +0200
commita7082daac85231ddbb0502d777455756e4e3e69d (patch)
treef53eaaac7f63dcc4f4bb61bdd17fc50a5a5bbc71 /drivers/hwtracing
parentuio: Prevent device destruction while fds are open (diff)
downloadlinux-a7082daac85231ddbb0502d777455756e4e3e69d.tar.xz
linux-a7082daac85231ddbb0502d777455756e4e3e69d.zip
coresight: use put_device() instead of kfree()
Never directly free @dev after calling device_register(), even if it returned an error. Always use put_device() to give up the reference initialized. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Mathieu Poirier <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.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c
index 389c4baeca9d..132dfbcd90c1 100644
--- a/drivers/hwtracing/coresight/coresight.c
+++ b/drivers/hwtracing/coresight/coresight.c
@@ -1026,8 +1026,10 @@ struct coresight_device *coresight_register(struct coresight_desc *desc)
dev_set_name(&csdev->dev, "%s", desc->pdata->name);
ret = device_register(&csdev->dev);
- if (ret)
- goto err_device_register;
+ if (ret) {
+ put_device(&csdev->dev);
+ goto err_kzalloc_csdev;
+ }
mutex_lock(&coresight_mutex);
@@ -1038,8 +1040,6 @@ struct coresight_device *coresight_register(struct coresight_desc *desc)
return csdev;
-err_device_register:
- kfree(conns);
err_kzalloc_conns:
kfree(refcnts);
err_kzalloc_refcnts: