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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2024-01-04 13:42:21 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2024-01-04 13:42:21 +0100
commite46201308a1e568059328e200282c8a62faa2f19 (patch)
treed614d1d5f056b503faddeef322f6236db0e6f8df
parent4ab8d27ad13189fdf7d927e15da2330d6d80ea53 (diff)
parentba3f5058db437d919f8468db50483dd9028ff688 (diff)
Merge branch 'pnp'acpi-6.8-rc1
Merge a PNP update for 6.8-rc1: - Adjust pnpacpi_parse_allocated_vendor() to use memcpy() on a full structure field (Dmitry Antipov). * pnp: PNP: ACPI: fix fortify warning
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 4f05f610391b..c02ce0834c2c 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -151,13 +151,13 @@ static int vendor_resource_matches(struct pnp_dev *dev,
static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev,
struct acpi_resource_vendor_typed *vendor)
{
- if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid, 16)) {
- u64 start, length;
+ struct { u64 start, length; } range;
- memcpy(&start, vendor->byte_data, sizeof(start));
- memcpy(&length, vendor->byte_data + 8, sizeof(length));
-
- pnp_add_mem_resource(dev, start, start + length - 1, 0);
+ if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid,
+ sizeof(range))) {
+ memcpy(&range, vendor->byte_data, sizeof(range));
+ pnp_add_mem_resource(dev, range.start, range.start +
+ range.length - 1, 0);
}
}