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Fri, 21 Nov 2025 12:57:26 -0800 (PST) Received: from localhost ([2a03:2880:ff:4b::]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7c3f145845csm6956086b3a.61.2025.11.21.12.57.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Nov 2025 12:57:26 -0800 (PST) From: Amery Hung To: bpf@vger.kernel.org Cc: netdev@vger.kernel.org, alexei.starovoitov@gmail.com, andrii@kernel.org, daniel@iogearbox.net, memxor@gmail.com, david.laight.linux@gmail.com, dave@stgolabs.net, paulmck@kernel.org, josh@joshtriplett.org, ameryhung@gmail.com, kernel-team@meta.com Subject: [PATCH bpf-next v2 2/2] rqspinlock: Handle return of raw_res_spin_lock{_irqsave} in locktorture Date: Fri, 21 Nov 2025 12:57:24 -0800 Message-ID: <20251121205724.2934650-2-ameryhung@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251121205724.2934650-1-ameryhung@gmail.com> References: <20251121205724.2934650-1-ameryhung@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Return errors from raw_res_spin_lock{_irqsave}() to writelock(). This is simply to silence the unused result warning. lock_torture_writer() currently does not handle errors returned from writelock(). This aligns with the existing torture test for ww_mutex. Signed-off-by: Amery Hung --- kernel/locking/locktorture.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/kernel/locking/locktorture.c b/kernel/locking/locktorture.c index ce0362f0a871..2b3686b96907 100644 --- a/kernel/locking/locktorture.c +++ b/kernel/locking/locktorture.c @@ -369,8 +369,7 @@ static rqspinlock_t rqspinlock; static int torture_raw_res_spin_write_lock(int tid __maybe_unused) { - raw_res_spin_lock(&rqspinlock); - return 0; + return raw_res_spin_lock(&rqspinlock); } static void torture_raw_res_spin_write_unlock(int tid __maybe_unused) @@ -392,8 +391,12 @@ static struct lock_torture_ops raw_res_spin_lock_ops = { static int torture_raw_res_spin_write_lock_irq(int tid __maybe_unused) { unsigned long flags; + int err; + + err = raw_res_spin_lock_irqsave(&rqspinlock, flags); + if (err) + return err; - raw_res_spin_lock_irqsave(&rqspinlock, flags); cxt.cur_ops->flags = flags; return 0; } -- 2.47.3