lkml.org 
[lkml]   [2024]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] drm/imagination: fix ARRAY_SIZE build error
Date
Fix a build error when using GCC 13.2.0 from kernel.org crosstools
by changing ARRAY_SIZE() to the macro PVR_MIPS_PT_PAGE_COUNT:

drivers/gpu/drm/imagination/pvr_vm_mips.c: In function 'pvr_vm_mips_fini':
./include/linux/array_size.h:11:25: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '18446744073709551615' to '-1' [-Woverflow]
11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
| ^
drivers/gpu/drm/imagination/pvr_vm_mips.c:105:24: note: in expansion of macro 'ARRAY_SIZE'
105 | for (page_nr = ARRAY_SIZE(mips_data->pt_pages) - 1; page_nr >= 0; page_nr--) {
| ^~~~~~~~~~

Fixes: 927f3e0253c1 ("drm/imagination: Implement MIPS firmware processor and MMU support")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Donald Robson <donald.robson@imgtec.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Frank Binns <frank.binns@imgtec.com>
Cc: Matt Coster <matt.coster@imgtec.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
---
drivers/gpu/drm/imagination/pvr_vm_mips.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff -- a/drivers/gpu/drm/imagination/pvr_vm_mips.c b/drivers/gpu/drm/imagination/pvr_vm_mips.c
--- a/drivers/gpu/drm/imagination/pvr_vm_mips.c
+++ b/drivers/gpu/drm/imagination/pvr_vm_mips.c
@@ -46,7 +46,7 @@ pvr_vm_mips_init(struct pvr_device *pvr_
if (!mips_data)
return -ENOMEM;

- for (page_nr = 0; page_nr < ARRAY_SIZE(mips_data->pt_pages); page_nr++) {
+ for (page_nr = 0; page_nr < PVR_MIPS_PT_PAGE_COUNT; page_nr++) {
mips_data->pt_pages[page_nr] = alloc_page(GFP_KERNEL | __GFP_ZERO);
if (!mips_data->pt_pages[page_nr]) {
err = -ENOMEM;
@@ -102,7 +102,7 @@ pvr_vm_mips_fini(struct pvr_device *pvr_
int page_nr;

vunmap(mips_data->pt);
- for (page_nr = ARRAY_SIZE(mips_data->pt_pages) - 1; page_nr >= 0; page_nr--) {
+ for (page_nr = PVR_MIPS_PT_PAGE_COUNT - 1; page_nr >= 0; page_nr--) {
dma_unmap_page(from_pvr_device(pvr_dev)->dev,
mips_data->pt_dma_addr[page_nr], PAGE_SIZE, DMA_TO_DEVICE);

\
 
 \ /
  Last update: 2024-01-10 01:29    [W:0.027 / U:0.220 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site