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Tue, 02 Sep 2025 22:52:27 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with UTF8SMTPSA id ffacd0b85a97d-3d21a32dbc5sm18690066f8f.11.2025.09.02.22.52.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Sep 2025 22:52:27 -0700 (PDT) Date: Wed, 3 Sep 2025 08:52:24 +0300 From: Dan Carpenter To: Takashi Iwai Cc: Jaroslav Kysela , Takashi Iwai , Philipp Stanner , Andy Shevchenko , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH next] ALSA: rme32: Fix serialization in snd_rme32_capture_adat_open() Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" We accidentally deleted the wrong line of code when we did the conversion to guard() locks. If the rme32->capture_substream has already been set we should return -EBUSY. Fixes: 8bb75ae244c5 ("ALSA: rme32: Use guard() for spin locks") Signed-off-by: Dan Carpenter --- sound/pci/rme32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c index 123dddcb6972..ca9bbf554650 100644 --- a/sound/pci/rme32.c +++ b/sound/pci/rme32.c @@ -936,7 +936,7 @@ snd_rme32_capture_adat_open(struct snd_pcm_substream *s= ubstream) =20 scoped_guard(spinlock_irq, &rme32->lock) { if (rme32->capture_substream !=3D NULL) - spin_unlock_irq(&rme32->lock); + return -EBUSY; rme32->capture_substream =3D substream; } =20 --=20 2.47.2