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-rw-r--r--drivers/pnp/pnpacpi/core.c7
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c12
-rw-r--r--drivers/pnp/pnpbios/rsparser.c4
3 files changed, 10 insertions, 13 deletions
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 6ab272c84b..a0927081a0 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -250,12 +250,9 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
dev->capabilities |= PNP_DISABLE;
if (strlen(acpi_device_name(device)))
- strncpy(dev->name, acpi_device_name(device), sizeof(dev->name));
+ strscpy(dev->name, acpi_device_name(device), sizeof(dev->name));
else
- strncpy(dev->name, acpi_device_bid(device), sizeof(dev->name));
-
- /* Handle possible string truncation */
- dev->name[sizeof(dev->name) - 1] = '\0';
+ strscpy(dev->name, acpi_device_bid(device), sizeof(dev->name));
if (dev->active)
pnpacpi_parse_allocated_resource(dev);
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 4f05f61039..c02ce0834c 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);
}
}
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c
index 2f31b212b1..70af7821d3 100644
--- a/drivers/pnp/pnpbios/rsparser.c
+++ b/drivers/pnp/pnpbios/rsparser.c
@@ -454,8 +454,8 @@ static unsigned char *pnpbios_parse_compatible_ids(unsigned char *p,
switch (tag) {
case LARGE_TAG_ANSISTR:
- strncpy(dev->name, p + 3,
- len >= PNP_NAME_LEN ? PNP_NAME_LEN - 2 : len);
+ memcpy(dev->name, p + 3,
+ len >= PNP_NAME_LEN ? PNP_NAME_LEN - 2 : len);
dev->name[len >=
PNP_NAME_LEN ? PNP_NAME_LEN - 1 : len] = '\0';
break;