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path: root/drivers/soc/qcom/ocmem.c
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Diffstat (limited to 'drivers/soc/qcom/ocmem.c')
-rw-r--r--drivers/soc/qcom/ocmem.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c
index e8841d247953..9c3bd37b6579 100644
--- a/drivers/soc/qcom/ocmem.c
+++ b/drivers/soc/qcom/ocmem.c
@@ -10,6 +10,7 @@
*/
#include <linux/bitfield.h>
+#include <linux/cleanup.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/kernel.h>
@@ -185,23 +186,20 @@ static void update_range(struct ocmem *ocmem, struct ocmem_buf *buf,
struct ocmem *of_get_ocmem(struct device *dev)
{
struct platform_device *pdev;
- struct device_node *devnode;
struct ocmem *ocmem;
- devnode = of_parse_phandle(dev->of_node, "sram", 0);
+ struct device_node *devnode __free(device_node) = of_parse_phandle(dev->of_node,
+ "sram", 0);
if (!devnode || !devnode->parent) {
dev_err(dev, "Cannot look up sram phandle\n");
- of_node_put(devnode);
return ERR_PTR(-ENODEV);
}
pdev = of_find_device_by_node(devnode->parent);
if (!pdev) {
dev_err(dev, "Cannot find device node %s\n", devnode->name);
- of_node_put(devnode);
return ERR_PTR(-EPROBE_DEFER);
}
- of_node_put(devnode);
ocmem = platform_get_drvdata(pdev);
if (!ocmem) {
@@ -216,7 +214,6 @@ EXPORT_SYMBOL_GPL(of_get_ocmem);
struct ocmem_buf *ocmem_allocate(struct ocmem *ocmem, enum ocmem_client client,
unsigned long size)
{
- struct ocmem_buf *buf;
int ret;
/* TODO: add support for other clients... */
@@ -229,7 +226,7 @@ struct ocmem_buf *ocmem_allocate(struct ocmem *ocmem, enum ocmem_client client,
if (test_and_set_bit_lock(BIT(client), &ocmem->active_allocations))
return ERR_PTR(-EBUSY);
- buf = kzalloc(sizeof(*buf), GFP_KERNEL);
+ struct ocmem_buf *buf __free(kfree) = kzalloc(sizeof(*buf), GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
goto err_unlock;
@@ -247,7 +244,7 @@ struct ocmem_buf *ocmem_allocate(struct ocmem *ocmem, enum ocmem_client client,
if (ret) {
dev_err(ocmem->dev, "could not lock: %d\n", ret);
ret = -EINVAL;
- goto err_kfree;
+ goto err_unlock;
}
} else {
ocmem_write(ocmem, OCMEM_REG_GFX_MPU_START, buf->offset);
@@ -258,10 +255,8 @@ struct ocmem_buf *ocmem_allocate(struct ocmem *ocmem, enum ocmem_client client,
dev_dbg(ocmem->dev, "using %ldK of OCMEM at 0x%08lx for client %d\n",
size / 1024, buf->addr, client);
- return buf;
+ return_ptr(buf);
-err_kfree:
- kfree(buf);
err_unlock:
clear_bit_unlock(BIT(client), &ocmem->active_allocations);
@@ -444,7 +439,7 @@ MODULE_DEVICE_TABLE(of, ocmem_of_match);
static struct platform_driver ocmem_driver = {
.probe = ocmem_dev_probe,
- .remove_new = ocmem_dev_remove,
+ .remove = ocmem_dev_remove,
.driver = {
.name = "ocmem",
.of_match_table = ocmem_of_match,