From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Sasha Levin To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Bartosz Golaszewski , Srinivas Kandagatla , Greg Kroah-Hartman , Sasha Levin Subject: [PATCH AUTOSEL 4.19 120/146] nvmem: check the return value of nvmem_add_cells() Date: Wed, 31 Oct 2018 19:05:15 -0400 Message-Id: <20181031230541.28822-120-sashal@kernel.org> In-Reply-To: <20181031230541.28822-1-sashal@kernel.org> References: <20181031230541.28822-1-sashal@kernel.org> List-ID: From: Bartosz Golaszewski [ Upstream commit fa72d847d68d7833b77a4bef944cf2c5baf56f49 ] This function can fail so check its return value in nvmem_register() and act accordingly. Signed-off-by: Bartosz Golaszewski Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/nvmem/core.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index aa1657831b70..7c530c88b3fb 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -516,11 +516,17 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) 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: -- 2.17.1