Merge tag 'firewire-fixes-6.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fixes from Takashi Sakamoto:
"This includes some fixes for the topology map, newly introduced in
v6.18 kernel"
* tag 'firewire-fixes-6.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: core: fix to update generation field in topology map
firewire: core: Initialize topology_map.lock
Merge tag 'edac_urgent_for_v6.18_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fixes from Borislav Petkov:
- In Versalnet, handle the reporting of non-standard hw errors whose
information can come in more than one remote processor message.
- Explicitly reenable ECC checking after a warm reset in Altera OCRAM
as those registers are reset to default otherwise
- Fix single-bit error injection in Altera EDAC to not inject errors
directly in ECC RAM and thus lead to false double-bit errors due to
same ECC RAM being in concurrent use
* tag 'edac_urgent_for_v6.18_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/altera: Use INTTEST register for Ethernet and USB SBE injection
EDAC/altera: Handle OCRAM ECC enable after warm reset
EDAC/versalnet: Handle split messages for non-standard errors
firewire: core: fix to update generation field in topology map
The generation field of topology map is updated after initialized by zero.
The updated value of generation field is always zero, and is against
specification.
This commit fixes the bug.
Fixes: 7d138cb269db ("firewire: core: use spin lock specific to topology map")
Link: https://lore.kernel.org/r/20251114144421.415278-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
firewire: core: Initialize topology_map.lock
Lockdep barfs on the new uninitialized spinlock.
Initialize it.
protip: enable lockdep (CONFIG_PROVE_LOCKING=y) when
doing locking changes
firewire_ohci 0000:02:01.1: added OHCI v1.10 device as card 0, 4 IR + 4 IT contexts, quirks 0x11
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 1042 Comm: irq/17-firewire Not tainted
6.17.0-rc2-cl-bisect2-00026-g7d138cb269db #136 PREEMPT
Hardware name: Dell Inc. Latitude E5400 /0D695C, BIOS A19 06/13/2013
Call Trace:
<TASK>
dump_stack_lvl+0x6d/0xa0
register_lock_class+0x783/0x790
? find_held_lock+0x2b/0x80
? __mod_timer+0x110/0x320
? __mod_timer+0x110/0x320
__lock_acquire+0x405/0x2600
lock_acquire+0xca/0x2e0
? fw_core_handle_bus_reset+0x888/0xca0 [firewire_core]
? fw_core_handle_bus_reset+0x878/0xca0 [firewire_core]
? fw_core_handle_bus_reset+0x878/0xca0 [firewire_core]
_raw_spin_lock+0x2e/0x40
? fw_core_handle_bus_reset+0x888/0xca0 [firewire_core]
fw_core_handle_bus_reset+0x888/0xca0 [firewire_core]
handle_selfid_complete_event+0x35c/0x7a0 [firewire_ohci]
? irq_thread+0x8d/0x280
irq_thread_fn+0x18/0x50
irq_thread+0x15a/0x280
? irq_check_status_bit+0x100/0x100
? lockdep_hardirqs_on+0x78/0x100
? irq_finalize_oneshot.part.0+0xc0/0xc0
? irq_forced_thread_fn+0x60/0x60
kthread+0x114/0x200
? kthreads_online_cpu+0x110/0x110
ret_from_fork+0x158/0x1e0
? kthreads_online_cpu+0x110/0x110
ret_from_fork_asm+0x11/0x20
</TASK>
Reported-by: Erhard Furtner <erhard_f@mailbox.org>
Fixes: 7d138cb269db ("firewire: core: use spin lock specific to topology map")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>