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-rw-r--r--drivers/firewire/core-cdev.c24
-rw-r--r--drivers/firewire/core-device.c104
-rw-r--r--drivers/firewire/core-iso.c20
-rw-r--r--drivers/firewire/net.c1
-rw-r--r--drivers/firewire/ohci.c29
5 files changed, 89 insertions, 89 deletions
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 8be720b..14a34d9 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -34,6 +34,7 @@
#include <linux/mutex.h>
#include <linux/poll.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/string.h>
#include <linux/time.h>
@@ -959,6 +960,8 @@ static int ioctl_queue_iso(struct client *client, union ioctl_arg *arg)
u.packet.header_length = GET_HEADER_LENGTH(control);
if (ctx->type == FW_ISO_CONTEXT_TRANSMIT) {
+ if (u.packet.header_length % 4 != 0)
+ return -EINVAL;
header_length = u.packet.header_length;
} else {
/*
@@ -968,7 +971,8 @@ static int ioctl_queue_iso(struct client *client, union ioctl_arg *arg)
if (ctx->header_size == 0) {
if (u.packet.header_length > 0)
return -EINVAL;
- } else if (u.packet.header_length % ctx->header_size != 0) {
+ } else if (u.packet.header_length == 0 ||
+ u.packet.header_length % ctx->header_size != 0) {
return -EINVAL;
}
header_length = 0;
@@ -1353,24 +1357,24 @@ static int dispatch_ioctl(struct client *client,
return -ENODEV;
if (_IOC_TYPE(cmd) != '#' ||
- _IOC_NR(cmd) >= ARRAY_SIZE(ioctl_handlers))
+ _IOC_NR(cmd) >= ARRAY_SIZE(ioctl_handlers) ||
+ _IOC_SIZE(cmd) > sizeof(buffer))
return -EINVAL;
- if (_IOC_DIR(cmd) & _IOC_WRITE) {
- if (_IOC_SIZE(cmd) > sizeof(buffer) ||
- copy_from_user(&buffer, arg, _IOC_SIZE(cmd)))
+ if (_IOC_DIR(cmd) == _IOC_READ)
+ memset(&buffer, 0, _IOC_SIZE(cmd));
+
+ if (_IOC_DIR(cmd) & _IOC_WRITE)
+ if (copy_from_user(&buffer, arg, _IOC_SIZE(cmd)))
return -EFAULT;
- }
ret = ioctl_handlers[_IOC_NR(cmd)](client, &buffer);
if (ret < 0)
return ret;
- if (_IOC_DIR(cmd) & _IOC_READ) {
- if (_IOC_SIZE(cmd) > sizeof(buffer) ||
- copy_to_user(arg, &buffer, _IOC_SIZE(cmd)))
+ if (_IOC_DIR(cmd) & _IOC_READ)
+ if (copy_to_user(arg, &buffer, _IOC_SIZE(cmd)))
return -EFAULT;
- }
return ret;
}
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index 5db0518..4b8523f 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -33,6 +33,7 @@
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/rwsem.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/string.h>
#include <linux/workqueue.h>
@@ -126,97 +127,74 @@ int fw_csr_string(const u32 *directory, int key, char *buf, size_t size)
}
EXPORT_SYMBOL(fw_csr_string);
-static bool is_fw_unit(struct device *dev);
-
-static int match_unit_directory(const u32 *directory, u32 match_flags,
- const struct ieee1394_device_id *id)
+static void get_ids(const u32 *directory, int *id)
{
struct fw_csr_iterator ci;
- int key, value, match;
+ int key, value;
- match = 0;
fw_csr_iterator_init(&ci, directory);
while (fw_csr_iterator_next(&ci, &key, &value)) {
- if (key == CSR_VENDOR && value == id->vendor_id)
- match |= IEEE1394_MATCH_VENDOR_ID;
- if (key == CSR_MODEL && value == id->model_id)
- match |= IEEE1394_MATCH_MODEL_ID;
- if (key == CSR_SPECIFIER_ID && value == id->specifier_id)
- match |= IEEE1394_MATCH_SPECIFIER_ID;
- if (key == CSR_VERSION && value == id->version)
- match |= IEEE1394_MATCH_VERSION;
+ switch (key) {
+ case CSR_VENDOR: id[0] = value; break;
+ case CSR_MODEL: id[1] = value; break;
+ case CSR_SPECIFIER_ID: id[2] = value; break;
+ case CSR_VERSION: id[3] = value; break;
+ }
}
+}
+
+static void get_modalias_ids(struct fw_unit *unit, int *id)
+{
+ get_ids(&fw_parent_device(unit)->config_rom[5], id);
+ get_ids(unit->directory, id);
+}
+
+static bool match_ids(const struct ieee1394_device_id *id_table, int *id)
+{
+ int match = 0;
+
+ if (id[0] == id_table->vendor_id)
+ match |= IEEE1394_MATCH_VENDOR_ID;
+ if (id[1] == id_table->model_id)
+ match |= IEEE1394_MATCH_MODEL_ID;
+ if (id[2] == id_table->specifier_id)
+ match |= IEEE1394_MATCH_SPECIFIER_ID;
+ if (id[3] == id_table->version)
+ match |= IEEE1394_MATCH_VERSION;
- return (match & match_flags) == match_flags;
+ return (match & id_table->match_flags) == id_table->match_flags;
}
+static bool is_fw_unit(struct device *dev);
+
static int fw_unit_match(struct device *dev, struct device_driver *drv)
{
- struct fw_unit *unit = fw_unit(dev);
- struct fw_device *device;
- const struct ieee1394_device_id *id;
+ const struct ieee1394_device_id *id_table =
+ container_of(drv, struct fw_driver, driver)->id_table;
+ int id[] = {0, 0, 0, 0};
/* We only allow binding to fw_units. */
if (!is_fw_unit(dev))
return 0;
- device = fw_parent_device(unit);
- id = container_of(drv, struct fw_driver, driver)->id_table;
+ get_modalias_ids(fw_unit(dev), id);
- for (; id->match_flags != 0; id++) {
- if (match_unit_directory(unit->directory, id->match_flags, id))
+ for (; id_table->match_flags != 0; id_table++)
+ if (match_ids(id_table, id))
return 1;
- /* Also check vendor ID in the root directory. */
- if ((id->match_flags & IEEE1394_MATCH_VENDOR_ID) &&
- match_unit_directory(&device->config_rom[5],
- IEEE1394_MATCH_VENDOR_ID, id) &&
- match_unit_directory(unit->directory, id->match_flags
- & ~IEEE1394_MATCH_VENDOR_ID, id))
- return 1;
- }
-
return 0;
}
static int get_modalias(struct fw_unit *unit, char *buffer, size_t buffer_size)
{
- struct fw_device *device = fw_parent_device(unit);
- struct fw_csr_iterator ci;
+ int id[] = {0, 0, 0, 0};
- int key, value;
- int vendor = 0;
- int model = 0;
- int specifier_id = 0;
- int version = 0;
-
- fw_csr_iterator_init(&ci, &device->config_rom[5]);
- while (fw_csr_iterator_next(&ci, &key, &value)) {
- switch (key) {
- case CSR_VENDOR:
- vendor = value;
- break;
- case CSR_MODEL:
- model = value;
- break;
- }
- }
-
- fw_csr_iterator_init(&ci, unit->directory);
- while (fw_csr_iterator_next(&ci, &key, &value)) {
- switch (key) {
- case CSR_SPECIFIER_ID:
- specifier_id = value;
- break;
- case CSR_VERSION:
- version = value;
- break;
- }
- }
+ get_modalias_ids(unit, id);
return snprintf(buffer, buffer_size,
"ieee1394:ven%08Xmo%08Xsp%08Xver%08X",
- vendor, model, specifier_id, version);
+ id[0], id[1], id[2], id[3]);
}
static int fw_unit_uevent(struct device *dev, struct kobj_uevent_env *env)
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c
index 1c0b504..8f5aebf 100644
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -26,6 +26,7 @@
#include <linux/firewire-constants.h>
#include <linux/kernel.h>
#include <linux/mm.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/vmalloc.h>
@@ -189,7 +190,7 @@ static int manage_bandwidth(struct fw_card *card, int irm_id, int generation,
for (try = 0; try < 5; try++) {
new = allocate ? old - bandwidth : old + bandwidth;
if (new < 0 || new > BANDWIDTH_AVAILABLE_INITIAL)
- break;
+ return -EBUSY;
data[0] = cpu_to_be32(old);
data[1] = cpu_to_be32(new);
@@ -217,7 +218,7 @@ static int manage_channel(struct fw_card *card, int irm_id, int generation,
u32 channels_mask, u64 offset, bool allocate, __be32 data[2])
{
__be32 c, all, old;
- int i, retry = 5;
+ int i, ret = -EIO, retry = 5;
old = all = allocate ? cpu_to_be32(~0) : 0;
@@ -225,6 +226,8 @@ static int manage_channel(struct fw_card *card, int irm_id, int generation,
if (!(channels_mask & 1 << i))
continue;
+ ret = -EBUSY;
+
c = cpu_to_be32(1 << (31 - i));
if ((old & c) != (all & c))
continue;
@@ -250,12 +253,16 @@ static int manage_channel(struct fw_card *card, int irm_id, int generation,
/* 1394-1995 IRM, fall through to retry. */
default:
- if (retry--)
+ if (retry) {
+ retry--;
i--;
+ } else {
+ ret = -EIO;
+ }
}
}
- return -EIO;
+ return ret;
}
static void deallocate_channel(struct fw_card *card, int irm_id,
@@ -331,8 +338,9 @@ void fw_iso_resource_manage(struct fw_card *card, int generation,
if (ret < 0)
*bandwidth = 0;
- if (allocate && ret < 0 && c >= 0) {
- deallocate_channel(card, irm_id, generation, c, buffer);
+ if (allocate && ret < 0) {
+ if (c >= 0)
+ deallocate_channel(card, irm_id, generation, c, buffer);
*channel = ret;
}
}
diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
index 2d3dc7d..7142eee 100644
--- a/drivers/firewire/net.c
+++ b/drivers/firewire/net.c
@@ -21,6 +21,7 @@
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
#include <asm/unaligned.h>
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 75dc698..94b16e0 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -24,7 +24,6 @@
#include <linux/dma-mapping.h>
#include <linux/firewire.h>
#include <linux/firewire-constants.h>
-#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
@@ -35,6 +34,7 @@
#include <linux/moduleparam.h>
#include <linux/pci.h>
#include <linux/pci_ids.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/string.h>
@@ -231,6 +231,8 @@ static inline struct fw_ohci *fw_ohci(struct fw_card *card)
static char ohci_driver_name[] = KBUILD_MODNAME;
+#define PCI_DEVICE_ID_TI_TSB12LV22 0x8009
+
#define QUIRK_CYCLE_TIMER 1
#define QUIRK_RESET_PACKET 2
#define QUIRK_BE_HEADERS 4
@@ -239,6 +241,8 @@ static char ohci_driver_name[] = KBUILD_MODNAME;
static const struct {
unsigned short vendor, device, flags;
} ohci_quirks[] = {
+ {PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TSB12LV22, QUIRK_CYCLE_TIMER |
+ QUIRK_RESET_PACKET},
{PCI_VENDOR_ID_TI, PCI_ANY_ID, QUIRK_RESET_PACKET},
{PCI_VENDOR_ID_AL, PCI_ANY_ID, QUIRK_CYCLE_TIMER},
{PCI_VENDOR_ID_NEC, PCI_ANY_ID, QUIRK_CYCLE_TIMER},
@@ -1154,7 +1158,7 @@ static void handle_local_lock(struct fw_ohci *ohci,
struct fw_packet *packet, u32 csr)
{
struct fw_packet response;
- int tcode, length, ext_tcode, sel;
+ int tcode, length, ext_tcode, sel, try;
__be32 *payload, lock_old;
u32 lock_arg, lock_data;
@@ -1181,21 +1185,26 @@ static void handle_local_lock(struct fw_ohci *ohci,
reg_write(ohci, OHCI1394_CSRCompareData, lock_arg);
reg_write(ohci, OHCI1394_CSRControl, sel);
- if (reg_read(ohci, OHCI1394_CSRControl) & 0x80000000)
- lock_old = cpu_to_be32(reg_read(ohci, OHCI1394_CSRData));
- else
- fw_notify("swap not done yet\n");
+ for (try = 0; try < 20; try++)
+ if (reg_read(ohci, OHCI1394_CSRControl) & 0x80000000) {
+ lock_old = cpu_to_be32(reg_read(ohci,
+ OHCI1394_CSRData));
+ fw_fill_response(&response, packet->header,
+ RCODE_COMPLETE,
+ &lock_old, sizeof(lock_old));
+ goto out;
+ }
+
+ fw_error("swap not done (CSR lock timeout)\n");
+ fw_fill_response(&response, packet->header, RCODE_BUSY, NULL, 0);
- fw_fill_response(&response, packet->header,
- RCODE_COMPLETE, &lock_old, sizeof(lock_old));
out:
fw_core_handle_response(&ohci->card, &response);
}
static void handle_local_request(struct context *ctx, struct fw_packet *packet)
{
- u64 offset;
- u32 csr;
+ u64 offset, csr;
if (ctx == &ctx->ohci->at_request_ctx) {
packet->ack = ACK_PENDING;
generated by cgit v1.1 at 2024-09-22 12:39:04 +0000