summaryrefslogtreecommitdiffstats
path: root/drivers/nvmem/core.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/nvmem/core.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index b9be1faeb7be..51fd792b8d70 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -755,7 +755,7 @@ EXPORT_SYMBOL_GPL(nvmem_layout_unregister);
static struct nvmem_layout *nvmem_layout_get(struct nvmem_device *nvmem)
{
struct device_node *layout_np, *np = nvmem->dev.of_node;
- struct nvmem_layout *l, *layout = NULL;
+ struct nvmem_layout *l, *layout = ERR_PTR(-EPROBE_DEFER);
layout_np = of_get_child_by_name(np, "nvmem-layout");
if (!layout_np)
@@ -938,6 +938,13 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
* pointer will be NULL and nvmem_layout_put() will be a noop.
*/
nvmem->layout = config->layout ?: nvmem_layout_get(nvmem);
+ if (IS_ERR(nvmem->layout)) {
+ rval = PTR_ERR(nvmem->layout);
+ nvmem->layout = NULL;
+
+ if (rval == -EPROBE_DEFER)
+ goto err_teardown_compat;
+ }
if (config->cells) {
rval = nvmem_add_cells(nvmem, config->cells, config->ncells);
@@ -970,6 +977,7 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
err_remove_cells:
nvmem_device_remove_all_cells(nvmem);
nvmem_layout_put(nvmem->layout);
+err_teardown_compat:
if (config->compat)
nvmem_sysfs_remove_compat(nvmem, config);
err_put_device: