From patchwork Fri Feb 7 09:39:02 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13964687 X-Patchwork-Delegate: kuba@kernel.org Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E6E6D13C9A3; Fri, 7 Feb 2025 09:39:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738921151; cv=none; b=if1Pvc3DoWge9/QZvvAXGin6+vdkeWrhIbjAnVVFUfSyscm/w9nEN+UBefO7FiX0mDFo5wZA1SAk6WRH7lJhdTk88xGjBCHbqgDxJIiZcOZGXE8Am+9KGgr6ucMW767djdbapDK4DIhwPrl/HutKOK5crSbMeJtqU8+zubtc8hw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738921151; c=relaxed/simple; bh=kTfv69N70jRYPW4PfE2gGidB3Lx+7n93IMhTANRVrYE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Ravht3/O4MK8W3rYS7o3TPWa54uOyKxDGocO6HCBaeXeMoPwBehrqF8dpskalqgkvWg9PcHsyIF/zkn3bj+W8gOJWAN1rteRdjzYFWktreAI3rCv9/gHiS2AbaHZAtyxi4XBtah9oTC78f4mu/kV55qlu+Qo77wFJiovdSysDAo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=pUPLgXFa; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=rZNrnwW+; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="pUPLgXFa"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="rZNrnwW+" From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1738921148; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OGKJRgcHeTsvHCCIhahevFs9ZoQcn4ms3fb+kPTrYUw=; b=pUPLgXFaDGWrQ5TSaSsCKK7CMqDdW27b68OIDaQM1CHubYZldfxMSWOp4pGzduuyh36qs1 T8yQSDklKXkuFklPN2EEBmEB7plqmpXoe8urrj+TmQzz7Mx6mTOjNX+in+ohHpStH/tmcC c6JR0q7KMY6RBe/01+TDHty2typlgcm6mPV9yFVP1bN3lObWNKbA8acLgcrWP/2n4RH9Ub ZLswa/zgY2yBTJEJIBiLj9ezhNwEwfUAaCzM2iLx+hAO25XNCIwX1A9B7h8rkRrWiQWocL 2g7jL5e5vX6uFSk1eZ/t0kCEZgabGqVZ+il9/+/tSyggg21RTHJ5exBhseGBaA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1738921148; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OGKJRgcHeTsvHCCIhahevFs9ZoQcn4ms3fb+kPTrYUw=; b=rZNrnwW+9h7sQmNnvHKyUxWAMHxultlcKQzohTuYuJDqnHkbz+FuwsxPdgmIUGDPS5bviL CakQJH32PygzfCCg== Date: Fri, 07 Feb 2025 10:39:02 +0100 Subject: [PATCH net v2 1/5] ptp: vmclock: Add .owner to vmclock_miscdev_fops Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250207-vmclock-probe-v2-1-bc2fce0bdf07@linutronix.de> References: <20250207-vmclock-probe-v2-0-bc2fce0bdf07@linutronix.de> In-Reply-To: <20250207-vmclock-probe-v2-0-bc2fce0bdf07@linutronix.de> To: David Woodhouse , Richard Cochran , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Mateusz Polchlopek , David Woodhouse , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= , stable@vger.kernel.org X-Developer-Signature: v=1; a=ed25519-sha256; t=1738921146; l=908; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=MFy8Kvx9GfNv7kEwQZwKavMJ1HFnaFSDW05FWmtv9l0=; b=FhK5DAQshdTsQDR3kmHqezcN25DxsO+GNEzCCmLMZaUkHHdxVobJAN70DHC3pWCzlbjKqnIYm rkbpqgaaKLsCgdQPRhJlJs6BUtoxDxWr/RogxLH4J+VVVUUhRmwVAOn X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= X-Patchwork-Delegate: kuba@kernel.org From: David Woodhouse Without the .owner field, the module can be unloaded while /dev/vmclock0 is open, leading to an oops. Fixes: 205032724226 ("ptp: Add support for the AMZNC10C 'vmclock' device") Cc: stable@vger.kernel.org Signed-off-by: David Woodhouse Signed-off-by: Thomas Weißschuh --- drivers/ptp/ptp_vmclock.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ptp/ptp_vmclock.c b/drivers/ptp/ptp_vmclock.c index 0a2cfc8ad3c5408a87fd8fedeff274ab895de3dd..dbc73e5382935dcbc799ea608b87f5ff51044ebc 100644 --- a/drivers/ptp/ptp_vmclock.c +++ b/drivers/ptp/ptp_vmclock.c @@ -414,6 +414,7 @@ static ssize_t vmclock_miscdev_read(struct file *fp, char __user *buf, } static const struct file_operations vmclock_miscdev_fops = { + .owner = THIS_MODULE, .mmap = vmclock_miscdev_mmap, .read = vmclock_miscdev_read, };