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Mon, 05 Jan 2026 13:05:51 -0800 (PST) X-Relaying-Domain: purestorage.com Received: from dev-csander.dev.purestorage.com (dev-csander.dev.purestorage.com [10.49.34.222]) by c7-smtp-2023.dev.purestorage.com (Postfix) with ESMTP id 90EBF341C73; Mon, 5 Jan 2026 14:05:49 -0700 (MST) Received: by dev-csander.dev.purestorage.com (Postfix, from userid 1557716354) id 8D437E41BCB; Mon, 5 Jan 2026 14:05:49 -0700 (MST) From: Caleb Sander Mateos To: Jens Axboe Cc: Joanne Koong , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, Caleb Sander Mateos Subject: [PATCH v7 3/3] io_uring/register: drop io_register_enable_rings() submitter_task check Date: Mon, 5 Jan 2026 14:05:42 -0700 Message-ID: <20260105210543.3471082-4-csander@purestorage.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20260105210543.3471082-1-csander@purestorage.com> References: <20260105210543.3471082-1-csander@purestorage.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" io_register_enable_rings() checks that the io_ring_ctx is IORING_SETUP_R_DISABLED, which ensures submitter_task hasn't been assigned by io_uring_create() or a previous io_register_enable_rings() call. So drop the redundant check that submitter_task is NULL. Signed-off-by: Caleb Sander Mateos Reviewed-by: Joanne Koong --- io_uring/register.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/io_uring/register.c b/io_uring/register.c index 8104728af294..78434869270c 100644 --- a/io_uring/register.c +++ b/io_uring/register.c @@ -178,11 +178,11 @@ static __cold int io_register_restrictions(struct io_= ring_ctx *ctx, static int io_register_enable_rings(struct io_ring_ctx *ctx) { if (!(ctx->flags & IORING_SETUP_R_DISABLED)) return -EBADFD; =20 - if (ctx->flags & IORING_SETUP_SINGLE_ISSUER && !ctx->submitter_task) { + if (ctx->flags & IORING_SETUP_SINGLE_ISSUER) { ctx->submitter_task =3D get_task_struct(current); /* * Lazy activation attempts would fail if it was polled before * submitter_task is set. */ --=20 2.45.2