> On Thu, Mar 2, 2017 at 2:02 PM, Michał Kępień <kernel@xxxxxxxxxx> wrote: > > Some platform drivers use devm_input_allocate_device() together with > > sparse_keymap_setup() in their .probe callbacks. While using the former > > simplifies error handling, using the latter necessitates calling > > sparse_keymap_free() in the error path and upon module unloading to > > avoid leaking the copy of the keymap allocated by sparse_keymap_setup(). > > > > To help prevent such leaks and enable simpler error handling, make > > sparse_keymap_setup() use devm_kcalloc() to allocate memory for the > > keymap copy so that it gets automatically freed. > > > + * Since sparse_keymap_setup() now uses a managed allocation for the > > + * keymap copy, use of this function is deprecated. > > So... > > > */ > > void sparse_keymap_free(struct input_dev *dev) > > ... add __deprecated then? Sure, I can do that if Dmitry recognizes this patch as otherwise sane. I have never used that attribute before, so thanks for the tip. -- Best regards, Michał Kępień -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
