4.18-stable review patch. If anyone has any objections, please let me know.
------------------ From: Bartosz Golaszewski <[email protected]> [ Upstream commit fa72d847d68d7833b77a4bef944cf2c5baf56f49 ] This function can fail so check its return value in nvmem_register() and act accordingly. Signed-off-by: Bartosz Golaszewski <[email protected]> Signed-off-by: Srinivas Kandagatla <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/nvmem/core.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -518,11 +518,17 @@ struct nvmem_device *nvmem_register(cons goto err_device_del; } - if (config->cells) - nvmem_add_cells(nvmem, config->cells, config->ncells); + if (config->cells) { + rval = nvmem_add_cells(nvmem, config->cells, config->ncells); + if (rval) + goto err_teardown_compat; + } return nvmem; +err_teardown_compat: + if (config->compat) + device_remove_bin_file(nvmem->base_dev, &nvmem->eeprom); err_device_del: device_del(&nvmem->dev); err_put_device:

