From: Andrey Strachuk Date: Tue, 19 Jul 2022 11:03:41 +0000 (+0300) Subject: platform/x86: sony-laptop: Remove useless comparisons in sony_pic_read_possible_resou... X-Git-Tag: v6.0-rc1~120^2~8 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=7842efa5e194122ba2d2795102c70db00906024e;p=tomoyo%2Ftomoyo-test1.git platform/x86: sony-laptop: Remove useless comparisons in sony_pic_read_possible_resource() Local variable 'p' is initialized by an address of field of acpi_resource structure, so it does not make sense to compare 'p' with NULL. Local variable 'io' is initialized by an address of field of acpi_resource structure, so it does not make sense to compare 'io' with NULL. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Andrey Strachuk Link: https://lore.kernel.org/r/20220719110341.7239-1-strochuk@ispras.ru Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index d8d0c0bed5e9..07ef05f727a2 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -4341,7 +4341,7 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) { struct acpi_resource_irq *p = &resource->data.irq; struct sony_pic_irq *interrupt = NULL; - if (!p || !p->interrupt_count) { + if (!p->interrupt_count) { /* * IRQ descriptors may have no IRQ# bits set, * particularly those those w/ _STA disabled @@ -4374,11 +4374,6 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) struct acpi_resource_io *io = &resource->data.io; struct sony_pic_ioport *ioport = list_first_entry(&dev->ioports, struct sony_pic_ioport, list); - if (!io) { - dprintk("Blank IO resource\n"); - return AE_OK; - } - if (!ioport->io1.minimum) { memcpy(&ioport->io1, io, sizeof(*io)); dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,