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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6

Browse source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  ieee1394: sbp2: remove a workaround for Momobay FX-3A
  firewire: sbp2: remove a workaround for Momobay FX-3A
  firewire: sbp2: fix status reception
  firewire: core: fix topology map response handler
  firewire: core: fix race with parallel PCI device probe
  firewire: core: header file cleanup
  firewire: ohci: fix Self ID Count register mask (safeguard against buffer overflow)
  ieee1394: raw1394: Do not leak memory on failed trylock.
This commit is contained in:
Linus Torvalds 2009-09-23 09:43:22 -07:00
commit ff830b8e5f
8 changed files with 34 additions and 36 deletions
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13
drivers/firewire/core-card.c
View file

@ -444,16 +444,13 @@ int fw_card_add(struct fw_card *card,
card->guid = guid;
mutex_lock(&card_mutex);
config_rom = generate_config_rom(card, &length);
list_add_tail(&card->link, &card_list);
mutex_unlock(&card_mutex);
config_rom = generate_config_rom(card, &length);
ret = card->driver->enable(card, config_rom, length);
if (ret < 0) {
mutex_lock(&card_mutex);
list_del(&card->link);
mutex_unlock(&card_mutex);
}
if (ret == 0)
list_add_tail(&card->link, &card_list);
mutex_unlock(&card_mutex);
return ret;
}

2
drivers/firewire/core-transaction.c
View file

@ -834,7 +834,7 @@ static void handle_topology_map(struct fw_card *card, struct fw_request *request
}
static struct fw_address_handler topology_map = {
.length = 0x200,
.length = 0x400,
.address_callback = handle_topology_map,
};

14
drivers/firewire/core.h
View file

@ -96,6 +96,20 @@ int fw_core_initiate_bus_reset(struct fw_card *card, int short_reset);
int fw_compute_block_crc(u32 *block);
void fw_schedule_bm_work(struct fw_card *card, unsigned long delay);
static inline struct fw_card *fw_card_get(struct fw_card *card)
{
kref_get(&card->kref);
return card;
}
void fw_card_release(struct kref *kref);
static inline void fw_card_put(struct fw_card *card)
{
kref_put(&card->kref, fw_card_release);
}
/* -cdev */

4
drivers/firewire/ohci.c
View file

@ -1279,8 +1279,8 @@ static void bus_reset_tasklet(unsigned long data)
* the inverted quadlets and a header quadlet, we shift one
* bit extra to get the actual number of self IDs.
*/
self_id_count = (reg >> 3) & 0x3ff;
if (self_id_count == 0) {
self_id_count = (reg >> 3) & 0xff;
if (self_id_count == 0 || self_id_count > 252) {
fw_notify("inconsistent self IDs\n");
return;
}

16
drivers/firewire/sbp2.c
View file

@ -354,8 +354,7 @@ static const struct {
/* DViCO Momobay FX-3A with TSB42AA9A bridge */ {
.firmware_revision = 0x002800,
.model = 0x000000,
.workarounds = SBP2_WORKAROUND_DELAY_INQUIRY |
SBP2_WORKAROUND_POWER_CONDITION,
.workarounds = SBP2_WORKAROUND_POWER_CONDITION,
},
/* Initio bridges, actually only needed for some older ones */ {
.firmware_revision = 0x000200,
@ -425,19 +424,20 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
struct sbp2_logical_unit *lu = callback_data;
struct sbp2_orb *orb;
struct sbp2_status status;
size_t header_size;
unsigned long flags;
if (tcode != TCODE_WRITE_BLOCK_REQUEST ||
length == 0 || length > sizeof(status)) {
length < 8 || length > sizeof(status)) {
fw_send_response(card, request, RCODE_TYPE_ERROR);
return;
}
header_size = min(length, 2 * sizeof(u32));
fw_memcpy_from_be32(&status, payload, header_size);
if (length > header_size)
memcpy(status.data, payload + 8, length - header_size);
status.status = be32_to_cpup(payload);
status.orb_low = be32_to_cpup(payload + 4);
memset(status.data, 0, sizeof(status.data));
if (length > 8)
memcpy(status.data, payload + 8, length - 8);
if (STATUS_GET_SOURCE(status) == 2 || STATUS_GET_SOURCE(status) == 3) {
fw_notify("non-orb related status write, not handled\n");
fw_send_response(card, request, RCODE_COMPLETE);

4
drivers/ieee1394/raw1394.c
View file

@ -2272,8 +2272,10 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer,
return -EFAULT;
}
if (!mutex_trylock(&fi->state_mutex))
if (!mutex_trylock(&fi->state_mutex)) {
free_pending_request(req);
return -EAGAIN;
}
switch (fi->state) {
case opened:

3
drivers/ieee1394/sbp2.c
View file

@ -372,8 +372,7 @@ static const struct {
/* DViCO Momobay FX-3A with TSB42AA9A bridge */ {
.firmware_revision = 0x002800,
.model = 0x000000,
.workarounds = SBP2_WORKAROUND_DELAY_INQUIRY |
SBP2_WORKAROUND_POWER_CONDITION,
.workarounds = SBP2_WORKAROUND_POWER_CONDITION,
},
/* Initio bridges, actually only needed for some older ones */ {
.firmware_revision = 0x000200,

14
include/linux/firewire.h
View file

@ -134,20 +134,6 @@ struct fw_card {
u32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4];
};
static inline struct fw_card *fw_card_get(struct fw_card *card)
{
kref_get(&card->kref);
return card;
}
void fw_card_release(struct kref *kref);
static inline void fw_card_put(struct fw_card *card)
{
kref_put(&card->kref, fw_card_release);
}
struct fw_attribute_group {
struct attribute_group *groups[2];
struct attribute_group group;