diff options
| author | Ricardo Ribalda <ribalda@chromium.org> | 2024-04-29 18:04:40 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2024-05-03 13:02:04 +0300 |
| commit | ff924ca08e85bc89dc0ab85c697c09298a9c74a6 (patch) | |
| tree | f84eb23bc146ab22d5eda847378d82262fd243db /drivers/media | |
| parent | 776f1bde345d0e21e31de766d94154f77f6bf1cd (diff) | |
| download | linux-ff924ca08e85bc89dc0ab85c697c09298a9c74a6.tar.xz | |
media: pci: mgb4: Refactor struct resources
The struct resource end field signifies the end address not the
relative offset from the start field i.e size == (end - start) + 1.
Amend the .end field to specify the end address not the relative size
from the offset as is currently given.
Fixes cocci check:
drivers/media/pci/mgb4/mgb4_regs.c:13:22-25: WARNING: Suspicious code. resource_size is maybe missing with res
Link: https://lore.kernel.org/linux-media/20240429-fix-cocci-v3-1-3c4865f5a4b0@chromium.org
Reviewed-by: Martin Tůma <martin.tuma@digiteqautomotive.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/pci/mgb4/mgb4_core.c | 4 | ||||
| -rw-r--r-- | drivers/media/pci/mgb4/mgb4_regs.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/pci/mgb4/mgb4_core.c b/drivers/media/pci/mgb4/mgb4_core.c index 9bcf10a77fd3..60498a5abebf 100644 --- a/drivers/media/pci/mgb4/mgb4_core.c +++ b/drivers/media/pci/mgb4/mgb4_core.c @@ -493,13 +493,13 @@ static int mgb4_probe(struct pci_dev *pdev, const struct pci_device_id *id) struct mgb4_dev *mgbdev; struct resource video = { .start = 0x0, - .end = 0x100, + .end = 0xff, .flags = IORESOURCE_MEM, .name = "mgb4-video", }; struct resource cmt = { .start = 0x1000, - .end = 0x1800, + .end = 0x17ff, .flags = IORESOURCE_MEM, .name = "mgb4-cmt", }; diff --git a/drivers/media/pci/mgb4/mgb4_regs.c b/drivers/media/pci/mgb4/mgb4_regs.c index 53d4e4503a74..31befd722d72 100644 --- a/drivers/media/pci/mgb4/mgb4_regs.c +++ b/drivers/media/pci/mgb4/mgb4_regs.c @@ -10,7 +10,7 @@ int mgb4_regs_map(struct resource *res, struct mgb4_regs *regs) { regs->mapbase = res->start; - regs->mapsize = res->end - res->start; + regs->mapsize = resource_size(res); if (!request_mem_region(regs->mapbase, regs->mapsize, res->name)) return -EINVAL; |