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commit25f526507bupstream. platform_get_resource() returns NULL in case of failure, so check its return value and propagate the error in order to prevent NULL pointer dereference. Fixes:6305166c87("bus: fsl-mc: Add ACPI support for fsl-mc") Cc: stable@vger.kernel.org Signed-off-by: Salah Triki <salah.triki@gmail.com> Acked-by: Ioana Ciornei <ioana.ciornei@nxp.com> Link: https://lore.kernel.org/r/aKwuK6TRr5XNYQ8u@pc Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>