[PATCH] net: allwinner: Fix some resources leak in the error handling path of the probe and in the remove function

Maxime Ripard maxime at cerno.tech
Tue Dec 15 06:37:10 EST 2020

On Tue, Dec 15, 2020 at 12:11:53PM +0300, Dan Carpenter wrote:
> On Tue, Dec 15, 2020 at 09:56:55AM +0100, Maxime Ripard wrote:
> > Hi,
> > 
> > On Mon, Dec 14, 2020 at 09:21:17PM +0100, Christophe JAILLET wrote:
> > > 'irq_of_parse_and_map()' should be balanced by a corresponding
> > > 'irq_dispose_mapping()' call. Otherwise, there is some resources leaks.
> > 
> > Do you have a source to back that? It's not clear at all from the
> > documentation for those functions, and couldn't find any user calling it
> > from the ten-or-so random picks I took.
> It looks like irq_create_of_mapping() needs to be freed with
> irq_dispose_mapping() so this is correct.

The doc should be updated first to make that clear then, otherwise we're
going to fix one user while multiples will have poped up

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