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dm: core: Allow device names to be freed automatically

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Some devices have a name that is stored in allocated memory. At present
there is no mechanism to free this memory when the device is unbound.

Add a device flag to track whether a name is allocated and a function to
add the flag. Free the memory when the device is unbound.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2016-05-01 13:52:23 -06:00
parent 72a85c0d2d
commit a2040facd2
3 changed files with 24 additions and 0 deletions
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2
drivers/core/device-remove.c
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@ -112,6 +112,8 @@ int device_unbind(struct udevice *dev)
devres_release_all(dev);
if (dev->flags & DM_NAME_ALLOCED)
free((char *)dev->name);
free(dev);
return 0;