question on devm_kfree

[Venu Byravarasu]

As per comments related to devm_kzalloc, memory allocated using it is freed automatically.
However there is a function called devm_kfree, comment section of which says that it is used to free memory allocated using devm_kzalloc().
If memory allocated by devm_kzalloc is freed automatically, what's the need & significance of devm_kfree?

Thanks,
Venu

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