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linux/sound/core/seq
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Cássio Gabriel bbc6c0dda5 ALSA: seq_oss: return full count for successful SEQ_FULLSIZE writes 
snd_seq_oss_write() currently returns the raw load_patch() callback
result for SEQ_FULLSIZE events.

That callback is documented as returning 0 on success and -errno on
failure, but snd_seq_oss_write() is the file write path and should
report the number of user bytes consumed on success. Some in-tree
backends also return backend-specific positive values, which can still
be shorter than the original write size.

Return the full byte count for successful SEQ_FULLSIZE writes.
Preserve negative errors and convert any nonnegative completion to the
original count.

Cc: stable@vger.kernel.org
Signed-off-by: Cássio Gabriel <cassiogabrielcontato@gmail.com>
Link: https://patch.msgid.link/20260324-alsa-seq-oss-fullsize-write-return-v1-1-66d448510538@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
History 2026-03-27 14:40:24 +01:00
..
oss ALSA: seq_oss: return full count for successful SEQ_FULLSIZE writes 2026-03-27 14:40:24 +01:00
Kconfig ALSA: seq: Make dependency on UMP clearer 2025-01-01 13:56:48 +01:00
Makefile ALSA: core: Use *-y instead of *-objs in Makefile 2024-05-08 18:17:32 +02:00
seq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
seq_clientmgr.c ALSA: seq: Relax __free() variable declarations 2025-12-17 10:08:30 +01:00
seq_clientmgr.h ALSA: seq: Use auto-cleanup for client refcounting 2025-08-29 11:52:35 +02:00
seq_compat.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_dummy.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_fifo.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_fifo.h ALSA: seq: Clean up fifo locking with guard 2025-08-29 11:52:36 +02:00
seq_info.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
seq_info.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
seq_lock.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
seq_lock.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
seq_memory.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
seq_memory.h ALSA: seq: Add UMP support 2023-05-23 12:11:21 +02:00
seq_midi.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_midi_emul.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_midi_event.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_ports.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_ports.h ALSA: seq: Clean up port locking with auto cleanup 2025-08-29 11:52:35 +02:00
seq_prioq.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_prioq.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
seq_queue.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_queue.h ALSA: seq: Clean up queue locking with auto cleanup 2025-08-29 11:52:35 +02:00
seq_system.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_system.h ALSA: seq: Notify UMP EP and FB changes 2025-01-12 13:12:21 +01:00
seq_timer.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_timer.h ALSA: seq: Remove unused declarations 2024-08-17 16:32:31 +02:00
seq_ump_client.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
seq_ump_convert.c ALSA: core/seq: Optimize the return logic in cc_ev_to_ump_midi2 2026-03-27 14:40:24 +01:00
seq_ump_convert.h ALSA: seq: Fix delivery of UMP events to group ports 2025-05-11 15:58:06 +02:00
seq_virmidi.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00