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X-Envelope-From: akhilesh@ee.iitb.ac.in X-Qmail-Scanner-Mime-Attachments: | X-Qmail-Scanner-Zip-Files: | Received: from unknown (HELO ldns1.iitb.ac.in) (10.200.1.25) by ldns1.iitb.ac.in with SMTP; 28 Jul 2025 07:14:31 +0530 Received: from bhairav.ee.iitb.ac.in (bhairav.ee.iitb.ac.in [10.107.1.1]) by ldns1.iitb.ac.in (Postfix) with ESMTP id CF33B36003B; Mon, 28 Jul 2025 07:14:30 +0530 (IST) Received: from bhairav-test.ee.iitb.ac.in (bhairav.ee.iitb.ac.in [10.107.1.1]) (Authenticated sender: akhilesh) by bhairav.ee.iitb.ac.in (Postfix) with ESMTPSA id 900A31E8128E; Mon, 28 Jul 2025 07:14:30 +0530 (IST) Date: Mon, 28 Jul 2025 07:14:25 +0530 From: Akhilesh Patil To: gregkh@linuxfoundation.org, jirislaby@kernel.org, andriy.shevchenko@linux.intel.com, john.ogness@linutronix.de, pmladek@suse.com, johan@kernel.org, namcao@linutronix.de, timur@kernel.org Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, akhileshpatilvnit@gmail.com, skhan@linuxfoundation.org Subject: [PATCH] tty: serial: ucc_uart: use WARN_ON() instead of BUG() 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 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace BUG() with WARN_ON() as recommended in Documentation/process/deprecated.rst Fix system entering into unstable/break/undebuggable state due to use of BUG(). Follow strict suggestions as per [1] [2]. Link: https://lore.kernel.org/lkml/CA+55aFy6jNLsywVYdGp83AMrXBo_P-pkjkphPGr= O=3D82SPKCpLQ@mail.gmail.com/ [1] Link: https://lore.kernel.org/lkml/CAHk-=3DwhDHsbK3HTOpTF=3Due_o04onRwTEaK_= ZoJp_fjbqq4+=3DJw@mail.gmail.com/ [2] Signed-off-by: Akhilesh Patil --- drivers/tty/serial/ucc_uart.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c index 0613f8c11ab1..6214ab1b67cb 100644 --- a/drivers/tty/serial/ucc_uart.c +++ b/drivers/tty/serial/ucc_uart.c @@ -223,7 +223,7 @@ static inline dma_addr_t cpu2qe_addr(void *addr, struct= uart_qe_port *qe_port) =20 /* something nasty happened */ printk(KERN_ERR "%s: addr=3D%p\n", __func__, addr); - BUG(); + WARN_ON(1); return 0; } =20 @@ -242,7 +242,7 @@ static inline void *qe2cpu_addr(dma_addr_t addr, struct= uart_qe_port *qe_port) =20 /* something nasty happened */ printk(KERN_ERR "%s: addr=3D%llx\n", __func__, (u64)addr); - BUG(); + WARN_ON(1); return NULL; } =20 --=20 2.34.1