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Mon, 12 Jan 2026 00:26:55 -0800 (PST) Date: Mon, 12 Jan 2026 11:26:51 +0300 From: Dan Carpenter To: Markus Elfring Cc: Harshit Mogalapalli , linux-sound@vger.kernel.org, Bard Liao , Charles Keepax , Pierre-Louis Bossart , Vinod Koul , kernel-janitors@vger.kernel.org, LKML , lkp@intel.com, Dan Carpenter Subject: Re: [PATCH] soundwire: bus: fix off-by-one when allocating slave IDs Message-ID: References: <20260110201959.2523024-1-harshit.m.mogalapalli@oracle.com> <732ad24d-d88f-47dc-bb6f-bd1b64ad354e@web.de> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <732ad24d-d88f-47dc-bb6f-bd1b64ad354e@web.de> On Sun, Jan 11, 2026 at 10:27:08AM +0100, Markus Elfring wrote: > … > > Using SDW_FW_MAX_DEVICES(16) therefore allows an ID of 16 to be > > allocated, but the IRQ domain created for the bus is sized for IDs > > 0-15. If 16 is returned, irq_create_mapping() fails and the driver > > ends up with an invalid IRQ mapping. > … > > See also once more: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.19-rc4#n659 > Markus, please only comment when it's a bug in the patch instead of wrong advice about commit messages. regards, dan carpenter