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[177.4.160.195]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2de130e056dsm558584eec.30.2026.04.14.09.47.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Apr 2026 09:47:58 -0700 (PDT) From: =?utf-8?q?C=C3=A1ssio_Gabriel?= Subject: [PATCH 0/2] ALSA: compress: clean up pointer errno handling and fix avail errors Date: Tue, 14 Apr 2026 13:47:52 -0300 Message-Id: <20260414-alsa-compress-pointer-avail-errors-v1-0-f5a1a8b1dfba@gmail.com> 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 X-B4-Tracking: v=1; b=H4sIAAAAAAAC/yXN0QrCMAyF4VcZuTbQlinoq4gXaZvNyGxHMocw9 u5Wvfzg8J8NjFXY4NJtoLyKSS0N/tBBulMZGSU3Q3Dh5HrfI01GmOpzVjbDuUpZWJFWkglZtap hdtGfjylSChlaqE0Hef9Orre/7RUfnJZvGfb9A6mOWk6GAAAA X-Change-ID: 20260414-alsa-compress-pointer-avail-errors-d0b195cbac2d 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=1092; i=cassiogabrielcontato@gmail.com; h=from:subject:message-id; bh=yOoDEbtTLqc7Oor4eMr4vSvXJ3X2yX2tzT47DPCL+Ao=; b=owGbwMvMwCV2IdZeKur/u2bG02pJDJn38ndvfD7x/nqxlr9MWXKr/s4WejjXir3s7H6hnzXLq /lDpmxh7ChlYRDjYpAVU2RZnbTIck/Xg6v1cSs8YOawMoEMYeDiFICJSKczMjwzd7+eyJ/rOXfy 73fBB5b9viPSW8H4K/OTMqP8wnki+zgYGW6b8NRGxdkcMzLRDq9g9Q90+/dhS/PsGewyC8/xvI+ 7zgYA X-Developer-Key: i=cassiogabrielcontato@gmail.com; a=openpgp; fpr=AB62A239BC8AE0D57F5EA848D05D3F1A5AFFEE83 This series tightens compressed-offload pointer error handling in two small steps. Patch 1 switches the internal "pointer callback not implemented" case from ENOTSUPP to EOPNOTSUPP so the code uses the standard unsupported operation errno. Patch 2 then propagates real pointer-refresh failures through the avail paths while keeping the unsupported-pointer fallback non-fatal. This prevents SNDRV_COMPRESS_AVAIL, read(), write(), and poll() from continuing with stale availability data after real pointer errors. Signed-off-by: Cássio Gabriel --- Cássio Gabriel (2): ALSA: compress: Use EOPNOTSUPP for missing pointer callbacks ALSA: compress: Propagate real pointer errors in avail paths sound/core/compress_offload.c | 55 ++++++++++++++++++++++++++++++------------- 1 file changed, 38 insertions(+), 17 deletions(-) --- base-commit: 05b02f0ccc12a85c6b65cf9cc543151b160c7f49 change-id: 20260414-alsa-compress-pointer-avail-errors-d0b195cbac2d Best regards, -- Cássio Gabriel