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[177.4.160.195]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2de130e056dsm558584eec.30.2026.04.14.09.47.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Apr 2026 09:48:01 -0700 (PDT) From: =?utf-8?q?C=C3=A1ssio_Gabriel?= Date: Tue, 14 Apr 2026 13:47:53 -0300 Subject: [PATCH 1/2] ALSA: compress: Use EOPNOTSUPP for missing pointer callbacks Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260414-alsa-compress-pointer-avail-errors-v1-1-f5a1a8b1dfba@gmail.com> References: <20260414-alsa-compress-pointer-avail-errors-v1-0-f5a1a8b1dfba@gmail.com> In-Reply-To: <20260414-alsa-compress-pointer-avail-errors-v1-0-f5a1a8b1dfba@gmail.com> To: Takashi Iwai , Vinod Koul , Mark Brown , Jaroslav Kysela Cc: linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?C=C3=A1ssio_Gabriel?= X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=966; i=cassiogabrielcontato@gmail.com; h=from:subject:message-id; bh=BR6lNaL0dpczfNY0DDA2VV9Rl7s6QrNzwi5PGT0ma9A=; b=owGbwMvMwCV2IdZeKur/u2bG02pJDJn38vd0HeLaZWJgXvOVM91ZTX/SyvMNreHWIZs8duW/T N0c5zqvo5SFQYyLQVZMkWV10iLLPV0PrtbHrfCAmcPKBDKEgYtTACZyy5Thn8mF6a95/8+vPbff h1Nu9Ux5zhyf5glL/zzKuSr0Ja6j8wUjw4Jug06BcttNL33kWE7kdrx7uXm16Ka6AHvtKvNHN8u X8gMA X-Developer-Key: i=cassiogabrielcontato@gmail.com; a=openpgp; fpr=AB62A239BC8AE0D57F5EA848D05D3F1A5AFFEE83 snd_compr_update_tstamp() returns a sentinel error when a compress driver does not implement the pointer() callback. Use -EOPNOTSUPP for that case instead of -ENOTSUPP. This keeps the behavior the same while switching to the standard unsupported-operation errno and avoids the checkpatch warning about ENOTSUPP not being a SUSv4 error code. Signed-off-by: Cássio Gabriel --- sound/core/compress_offload.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index fd63d219bf86..e3239c739d34 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -186,7 +186,7 @@ static int snd_compr_update_tstamp(struct snd_compr_stream *stream, int ret; if (!stream->ops->pointer) - return -ENOTSUPP; + return -EOPNOTSUPP; switch (stream->runtime->state) { case SNDRV_PCM_STATE_OPEN: -- 2.53.0