From: Gaosheng Cui cuigaosheng1@huawei.com

dev_set_name will alloc memory for nvmem->dev.kobj.name in nvmem_register, when nvmem_validate_keepouts failed, nvmem's memory will be freed and return, but nobody will free memory for nvmem->dev.kobj.name, there will be memleak, so moving nvmem_validate_keepouts() after device_register() and let the device core deal with cleaning name in error cases.

Fixes: de0534df9347 ("nvmem: core: fix error handling while validating keepout regions") Cc: stable@vger.kernel.org Signed-off-by: Gaosheng Cui cuigaosheng1@huawei.com Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- Hi Greg,

Here is a fix in nvmem core which can possibly go in next rc. Could you please pick this up.

thanks, Srini

drivers/nvmem/core.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 1e3c754efd0d..2164efd12ba9 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -829,21 +829,18 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) nvmem->dev.groups = nvmem_dev_groups; #endif

- if (nvmem->nkeepout) { - rval = nvmem_validate_keepouts(nvmem); - if (rval) { - ida_free(&nvmem_ida, nvmem->id); - kfree(nvmem); - return ERR_PTR(rval); - } - } - dev_dbg(&nvmem->dev, "Registering nvmem device %s\n", config->name);

rval = device_register(&nvmem->dev); if (rval) goto err_put_device;

+ if (nvmem->nkeepout) { + rval = nvmem_validate_keepouts(nvmem); + if (rval) + goto err_device_del; + } + if (config->compat) { rval = nvmem_sysfs_setup_compat(nvmem, config); if (rval)