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2026-02-21Convert 'alloc_obj' family to use the new default GFP_KERNEL argumentLinus Torvalds
This was done entirely with mindless brute force, using git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' | xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/' to convert the new alloc_obj() users that had a simple GFP_KERNEL argument to just drop that argument. Note that due to the extreme simplicity of the scripting, any slightly more complex cases spread over multiple lines would not be triggered: they definitely exist, but this covers the vast bulk of the cases, and the resulting diff is also then easier to check automatically. For the same reason the 'flex' versions will be done as a separate conversion. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2026-02-21treewide: Replace kmalloc with kmalloc_obj for non-scalar typesKees Cook
This is the result of running the Coccinelle script from scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to avoid scalar types (which need careful case-by-case checking), and instead replace kmalloc-family calls that allocate struct or union object instances: Single allocations: kmalloc(sizeof(TYPE), ...) are replaced with: kmalloc_obj(TYPE, ...) Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...) are replaced with: kmalloc_objs(TYPE, COUNT, ...) Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...) are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...) (where TYPE may also be *VAR) The resulting allocations no longer return "void *", instead returning "TYPE *". Signed-off-by: Kees Cook <kees@kernel.org>
2026-02-18ALSA: isa: Add SPDX id lines to some filesTim Bird
Add SPDX-License-Identifier lines to several files where they are missing, mostly in the sound/isa subdir. Use GPL-2.0 as the id. [ note: the same change applied to sound/hda/core/trace.c, too -- tiwai ] Signed-off-by: Tim Bird <tim.bird@sony.com> Link: https://patch.msgid.link/20260212195905.3726149-1-tim.bird@sony.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-12-14ALSA: sb: Convert to snd_seq bus probe mechanismUwe Kleine-König
The snd_seq bus got a dedicated probe function. Make use of that. This fixes a runtime warning about the driver needing to be converted to the bus probe method. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/ccaf10073a6e8a68ea751bfc0e8aae1c66b57458.1765283601.git.u.kleine-koenig@baylibre.com
2025-11-12ALSA: gus: Remove unused declarationsYue Haibing
snd_gf1_synth_init() and snd_gf1_synth_done() were declared but never implenmented and used since the beginning of kernel git history. Signed-off-by: Yue Haibing <yuehaibing@huawei.com> Link: https://patch.msgid.link/20251112092007.3546539-1-yuehaibing@huawei.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-11-06ALSA: wavefront: Fix integer overflow in sample size validationJunrui Luo
The wavefront_send_sample() function has an integer overflow issue when validating sample size. The header->size field is u32 but gets cast to int for comparison with dev->freemem Fix by using unsigned comparison to avoid integer overflow. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Junrui Luo <moonafterrain@outlook.com> Link: https://patch.msgid.link/SYBPR01MB7881B47789D1B060CE8BF4C3AFC2A@SYBPR01MB7881.ausprd01.prod.outlook.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-11-06ALSA: wavefront: Clear substream pointers on closeJunrui Luo
Clear substream pointers in close functions to avoid leaving dangling pointers, helping to improve code safety and prevents potential issues. Reported-by: Yuhao Jiang <danisjiang@gmail.com> Reported-by: Junrui Luo <moonafterrain@outlook.com> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Junrui Luo <moonafterrain@outlook.com> Link: https://patch.msgid.link/SYBPR01MB7881DF762CAB45EE42F6D812AFC2A@SYBPR01MB7881.ausprd01.prod.outlook.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-09-01ALSA: wavefront: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-19-tiwai@suse.de
2025-09-01ALSA: wss: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-18-tiwai@suse.de
2025-09-01ALSA: wss: Use guard() for mutex locksTakashi Iwai
Replace the manual mutex lock/unlock pairs with guard() for code simplification. Only code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-17-tiwai@suse.de
2025-09-01ALSA: sscape: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-16-tiwai@suse.de
2025-09-01ALSA: emu8000: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-15-tiwai@suse.de
2025-09-01ALSA: sb: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-14-tiwai@suse.de
2025-09-01ALSA: sb: Use guard() for mutex locksTakashi Iwai
Replace the manual mutex lock/unlock pairs with guard() for code simplification. Only code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-13-tiwai@suse.de
2025-09-01ALSA: opti9xx: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-12-tiwai@suse.de
2025-09-01ALSA: opl3sa2: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-11-tiwai@suse.de
2025-09-01ALSA: msnd: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-10-tiwai@suse.de
2025-09-01ALSA: gus: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-9-tiwai@suse.de
2025-09-01ALSA: gus: Use guard() for mutex locksTakashi Iwai
Replace the manual mutex lock/unlock pairs with guard() for code simplification. As replaced with the guard(mutex), no longer used snd_gf1_mem_lock() is dropped, too. Only code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-8-tiwai@suse.de
2025-09-01ALSA: es18xx: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-7-tiwai@suse.de
2025-09-01ALSA: es1688: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-6-tiwai@suse.de
2025-09-01ALSA: cs423x: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-5-tiwai@suse.de
2025-09-01ALSA: cs423x: Use guard() for mutex locksTakashi Iwai
Replace the manual mutex lock/unlock pairs with guard() for code simplification. Only code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-4-tiwai@suse.de
2025-09-01ALSA: cmi8330: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-3-tiwai@suse.de
2025-09-01ALSA: ad1816a: Use guard() for spin locksTakashi Iwai
Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250829145300.5460-2-tiwai@suse.de
2025-07-11ALSA: wss: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-39-tiwai@suse.de
2025-07-11ALSA: wavefront: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-38-tiwai@suse.de
2025-07-11ALSA: sscape: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-37-tiwai@suse.de
2025-07-11ALSA: sc6000: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-36-tiwai@suse.de
2025-07-11ALSA: opti9xx: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-35-tiwai@suse.de
2025-07-11ALSA: opl3sa2: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-34-tiwai@suse.de
2025-07-11ALSA: msnd: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-33-tiwai@suse.de
2025-07-11ALSA: gus: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-32-tiwai@suse.de
2025-07-11ALSA: galaxy: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-31-tiwai@suse.de
2025-07-11ALSA: es18xx: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-30-tiwai@suse.de
2025-07-11ALSA: es1688: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-29-tiwai@suse.de
2025-07-11ALSA: cs423x: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-28-tiwai@suse.de
2025-07-11ALSA: cmi8330: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-27-tiwai@suse.de
2025-07-11ALSA: cmi8328: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-26-tiwai@suse.de
2025-07-11ALSA: als100: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-25-tiwai@suse.de
2025-07-11ALSA: adlib: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-24-tiwai@suse.de
2025-07-11ALSA: ad1816a: Use safer strscpy() instead of strcpy()Takashi Iwai
Use a safer function strscpy() instead of strcpy() for copying to arrays. Only idiomatic code replacement, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://patch.msgid.link/20250710100727.22653-23-tiwai@suse.de
2025-07-04ALSA: ad1816a: Fix potential NULL pointer deref in snd_card_ad1816a_pnp()Thorsten Blum
Use pr_warn() instead of dev_warn() when 'pdev' is NULL to avoid a potential NULL pointer dereference. Cc: stable@vger.kernel.org Fixes: 20869176d7a7 ("ALSA: ad1816a: Use standard print API") Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Link: https://patch.msgid.link/20250703200616.304309-2-thorsten.blum@linux.dev Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-06-10ALSA: sb: Force to disable DMAs once when DMA mode is changedTakashi Iwai
When the DMA mode is changed on the (still real!) SB AWE32 after playing a stream and closing, the previous DMA setup was still silently kept, and it can confuse the hardware, resulting in the unexpected noises. As a workaround, enforce the disablement of DMA setups when the DMA setup is changed by the kcontrol. https://bugzilla.kernel.org/show_bug.cgi?id=218185 Link: https://patch.msgid.link/20250610064322.26787-2-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-06-10ALSA: sb: Don't allow changing the DMA mode during operationsTakashi Iwai
When a PCM stream is already running, one shouldn't change the DMA mode via kcontrol, which may screw up the hardware. Return -EBUSY instead. Link: https://bugzilla.kernel.org/show_bug.cgi?id=218185 Link: https://patch.msgid.link/20250610064322.26787-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-06-08treewide, timers: Rename from_timer() to timer_container_of()Ingo Molnar
Move this API to the canonical timer_*() namespace. [ tglx: Redone against pre rc1 ] Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/aB2X0jCKQO56WdMt@gmail.com
2025-05-13ALSA: sb: Replace deprecated strcpy() with strscpy()Thorsten Blum
strcpy() is deprecated; use strscpy() instead. No functional changes intended. Link: https://github.com/KSPP/linux/issues/88 Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Link: https://patch.msgid.link/20250512105754.35595-2-thorsten.blum@linux.dev Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-05-12ALSA: msnd: Remove midi codeDr. David Alan Gilbert
Nothing calls snd_msndmidi_new() thus nothing sets chip->msndmidi_mpu The call to snd_msndmidi_input_read is gated on that being set, so snd_msndmidi_input_read() won't be called either. This is probably a missing call to snd_msndmidi_new(), but since this is ancient code, it's probably best to remove it (especially since I don't have the hardware to test it). Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Link: https://patch.msgid.link/20250511172957.1001583-1-linux@treblig.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-05-11ALSA: isa/gus: remove snd_gf1_lfo_xxx()Kuninori Morimoto
There is no snd_gf1_lfo_xxx() implementation, and no one is using it. Let's remove it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://patch.msgid.link/87o6w2pqm8.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-05-08ALSA: gus: Remove deadcodeDr. David Alan Gilbert
snd_gus_use_dec(), snd_gus_use_inc() and snd_gf1_print_voice_registers() last uses were removed in 2007 by commit e5723b41abe5 ("[ALSA] Remove sequencer instrument layer") Remove them. While there, remove big #if 0 blocks next to the code being deleted. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Link: https://patch.msgid.link/20250508000225.195766-1-linux@treblig.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
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