This patch centralizing the cleanup of the resource table into a new
helper function rproc_release_fw().

More than just factorizing the code into a common function, it is the
first step to integrate the release of the firmware image loaded by the
OP-TEE remoteproc framework.

Suggested-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
---
Update vs previous revision:
- add justification of the patch in the commit message
---
 drivers/remoteproc/remoteproc_core.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index ace11ea17097..7694817f25d4 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -1256,6 +1256,13 @@ static int rproc_alloc_registered_carveouts(struct rproc *rproc)
 	return 0;
 }
 
+static void rproc_release_fw(struct rproc *rproc)
+{
+	/* Free the copy of the resource table */
+	kfree(rproc->cached_table);
+	rproc->cached_table = NULL;
+	rproc->table_ptr = NULL;
+}
 
 /**
  * rproc_resource_cleanup() - clean up and free all acquired resources
@@ -1485,9 +1492,7 @@ static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw)
 
 clean_up_resources:
 	rproc_resource_cleanup(rproc);
-	kfree(rproc->cached_table);
-	rproc->cached_table = NULL;
-	rproc->table_ptr = NULL;
+	rproc_release_fw(rproc);
 unprepare_rproc:
 	/* release HW resources if needed */
 	rproc_unprepare_device(rproc);
@@ -2067,10 +2072,7 @@ int rproc_shutdown(struct rproc *rproc)
 
 	rproc_disable_iommu(rproc);
 
-	/* Free the copy of the resource table */
-	kfree(rproc->cached_table);
-	rproc->cached_table = NULL;
-	rproc->table_ptr = NULL;
+	rproc_release_fw(rproc);
 out:
 	mutex_unlock(&rproc->lock);
 	return ret;
@@ -2133,10 +2135,7 @@ int rproc_detach(struct rproc *rproc)
 
 	rproc_disable_iommu(rproc);
 
-	/* Free the copy of the resource table */
-	kfree(rproc->cached_table);
-	rproc->cached_table = NULL;
-	rproc->table_ptr = NULL;
+	rproc_release_fw(rproc);
 out:
 	mutex_unlock(&rproc->lock);
 	return ret;
-- 
2.25.1