diff options
| author | Andrey Strachuk <strochuk@ispras.ru> | 2022-07-21 17:11:33 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-07-27 21:21:27 +0200 |
| commit | 2c65e312bc6bb6e175c16a17db8ec86d2dcd1608 (patch) | |
| tree | 3bed30da82609a26db35dd5d4356350324ff71f0 /drivers/acpi | |
| parent | e0dccc3b76fb35bb257b4118367a883073d7390e (diff) | |
ACPI/PCI: Remove useless NULL pointer checks
Local variable 'p' is initialized by an address of field of acpi_resource,
so it does not make sense to compare 'p' with NULL.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Andrey Strachuk <strochuk@ispras.ru>
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/pci_link.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 58647051c948..aa1038b8aec4 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -95,7 +95,7 @@ static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource, case ACPI_RESOURCE_TYPE_IRQ: { struct acpi_resource_irq *p = &resource->data.irq; - if (!p || !p->interrupt_count) { + if (!p->interrupt_count) { acpi_handle_debug(handle, "Blank _PRS IRQ resource\n"); return AE_OK; @@ -121,7 +121,7 @@ static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource, { struct acpi_resource_extended_irq *p = &resource->data.extended_irq; - if (!p || !p->interrupt_count) { + if (!p->interrupt_count) { acpi_handle_debug(handle, "Blank _PRS EXT IRQ resource\n"); return AE_OK; @@ -182,7 +182,7 @@ static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource, case ACPI_RESOURCE_TYPE_IRQ: { struct acpi_resource_irq *p = &resource->data.irq; - if (!p || !p->interrupt_count) { + if (!p->interrupt_count) { /* * IRQ descriptors may have no IRQ# bits set, * particularly those w/ _STA disabled @@ -197,7 +197,7 @@ static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource, { struct acpi_resource_extended_irq *p = &resource->data.extended_irq; - if (!p || !p->interrupt_count) { + if (!p->interrupt_count) { /* * extended IRQ descriptors must * return at least 1 IRQ |