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Mon, 18 May 2026 17:47:05 -0700 (PDT) Received: from ryzen ([2601:644:8000:5b5d:7285:c2ff:fe45:8a32]) by smtp.gmail.com with ESMTPSA id af79cd13be357-910ba181322sm1676589185a.7.2026.05.18.17.47.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 May 2026 17:47:05 -0700 (PDT) From: Rosen Penev To: linux-sound@vger.kernel.org Cc: Jaroslav Kysela , Takashi Iwai , linux-kernel@vger.kernel.org (open list) Subject: [PATCH] ALSA: oss: Use flexible allocation for PCM plugins Date: Mon, 18 May 2026 17:46:47 -0700 Message-ID: <20260519004647.627429-1-rosenp@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Allocate PCM plugin objects with kzalloc_flex() for the trailing extra data area instead of open-coding the size calculation. This keeps the allocation tied to the existing flexible array member without changing the plugin lifetime. Assisted-by: Codex:GPT-5.5 Signed-off-by: Rosen Penev --- sound/core/oss/pcm_plugin.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c index 14b4a390a219..5f4d6945a7df 100644 --- a/sound/core/oss/pcm_plugin.c +++ b/sound/core/oss/pcm_plugin.c @@ -146,7 +146,7 @@ int snd_pcm_plugin_build(struct snd_pcm_substream *plug, return -ENXIO; if (snd_BUG_ON(!src_format || !dst_format)) return -ENXIO; - plugin =3D kzalloc(sizeof(*plugin) + extra, GFP_KERNEL); + plugin =3D kzalloc_flex(*plugin, extra_data, extra); if (plugin =3D=3D NULL) return -ENOMEM; plugin->name =3D name; --=20 2.54.0