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| author |   Suzuki K Poulose <suzuki.poulose@arm.com> | 2019-06-19 13:53:01 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-20 07:56:13 +0200 |
| commit | 688da45f20fec12cf94a5a0f3f9babe8125d0732 (patch) | |
| tree | 49feadb65e3469528a08e403bf34de3e53fd94b6 /drivers/hwtracing/coresight/coresight-platform.c | |
| parent | coresight: Rearrange platform data probing (diff) | |
| download | linux-dev-688da45f20fec12cf94a5a0f3f9babe8125d0732.tar.xz linux-dev-688da45f20fec12cf94a5a0f3f9babe8125d0732.zip | |
coresight: Add support for releasing platform specific data
Add a helper to clean up the platform specific data provided
by the firmware. This will be later used for dropping the necessary
references when we switch to the fwnode handles for tracking
connections.
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-platform.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-platform.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c index f500de61e7f9..53d6eed44a20 100644 --- a/drivers/hwtracing/coresight/coresight-platform.c +++ b/drivers/hwtracing/coresight/coresight-platform.c @@ -17,6 +17,7 @@ #include <linux/cpumask.h> #include <asm/smp_plat.h> +#include "coresight-priv.h" /* * coresight_alloc_conns: Allocate connections record for each output * port from the device. @@ -311,7 +312,7 @@ struct coresight_platform_data * coresight_get_platform_data(struct device *dev) { int ret = -ENOENT; - struct coresight_platform_data *pdata; + struct coresight_platform_data *pdata = NULL; struct fwnode_handle *fwnode = dev_fwnode(dev); if (IS_ERR_OR_NULL(fwnode)) @@ -329,6 +330,9 @@ coresight_get_platform_data(struct device *dev) if (!ret) return pdata; error: + if (!IS_ERR_OR_NULL(pdata)) + /* Cleanup the connection information */ + coresight_release_platform_data(pdata); return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(coresight_get_platform_data); |