[ Upstream commit
4f3b193dee4423d8c89c9a3e8e05f9197ea459a4 ]
Call put_device() and return error code if devm_add_action() fails.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reported-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Fixes:
8e0ee3c9faed ("tpm: fix the cleanup of struct tpm_chip")
Signed-off-by: Sasha Levin <sashal@kernel.org>
chip->cdev.owner = dev->driver->owner;
chip->cdev.kobj.parent = &chip->dev.kobj;
- devm_add_action(dev, (void (*)(void *)) put_device, &chip->dev);
+ rc = devm_add_action(dev, (void (*)(void *)) put_device, &chip->dev);
+ if (rc) {
+ put_device(&chip->dev);
+ return ERR_PTR(rc);
+ }
return chip;
}