From: Michael Walle michael@walle.cc
nvmem_add_cells() could return an error after some cells are already added to the provider. In this case, the added cells are not removed. Remove any registered cells if nvmem_add_cells() fails.
Cc: stable@vger.kernel.org Fixes: fa72d847d68d7 ("nvmem: check the return value of nvmem_add_cells()") Signed-off-by: Michael Walle michael@walle.cc Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- drivers/nvmem/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index cbe5df99db82..563116405b3d 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -847,7 +847,7 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) if (config->cells) { rval = nvmem_add_cells(nvmem, config->cells, config->ncells); if (rval) - goto err_teardown_compat; + goto err_remove_cells; }
rval = nvmem_add_cells_from_table(nvmem); @@ -870,7 +870,6 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
err_remove_cells: nvmem_device_remove_all_cells(nvmem); -err_teardown_compat: if (config->compat) nvmem_sysfs_remove_compat(nvmem, config); err_put_device: