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Wed, 31 Dec 2025 10:19:09 -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 C6DCE340185; Wed, 31 Dec 2025 11:19:08 -0700 (MST) Received: by dev-csander.dev.purestorage.com (Postfix, from userid 1557716354) id BFE8BE41BE0; Wed, 31 Dec 2025 11:19:08 -0700 (MST) From: Caleb Sander Mateos To: Jens Axboe Cc: Caleb Sander Mateos , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] io_uring/memmap: drop unused sz param in io_uring_validate_mmap_request() Date: Wed, 31 Dec 2025 11:19:06 -0700 Message-ID: <20251231181908.4039028-1-csander@purestorage.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit io_uring_validate_mmap_request() doesn't use its size_t sz argument, so remove it. Signed-off-by: Caleb Sander Mateos --- io_uring/memmap.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/io_uring/memmap.c b/io_uring/memmap.c index dc4bfc5b6fb8..cb9dfc411c3b 100644 --- a/io_uring/memmap.c +++ b/io_uring/memmap.c @@ -266,12 +266,11 @@ static void *io_region_validate_mmap(struct io_ring_ctx *ctx, return ERR_PTR(-EINVAL); return io_region_get_ptr(mr); } -static void *io_uring_validate_mmap_request(struct file *file, loff_t pgoff, - size_t sz) +static void *io_uring_validate_mmap_request(struct file *file, loff_t pgoff) { struct io_ring_ctx *ctx = file->private_data; struct io_mapped_region *region; region = io_mmap_get_region(ctx, pgoff); @@ -302,11 +301,11 @@ __cold int io_uring_mmap(struct file *file, struct vm_area_struct *vma) struct io_mapped_region *region; void *ptr; guard(mutex)(&ctx->mmap_lock); - ptr = io_uring_validate_mmap_request(file, vma->vm_pgoff, sz); + ptr = io_uring_validate_mmap_request(file, vma->vm_pgoff); if (IS_ERR(ptr)) return PTR_ERR(ptr); switch (offset & IORING_OFF_MMAP_MASK) { case IORING_OFF_SQ_RING: @@ -334,11 +333,11 @@ unsigned long io_uring_get_unmapped_area(struct file *filp, unsigned long addr, if (addr) return -EINVAL; guard(mutex)(&ctx->mmap_lock); - ptr = io_uring_validate_mmap_request(filp, pgoff, len); + ptr = io_uring_validate_mmap_request(filp, pgoff); if (IS_ERR(ptr)) return -ENOMEM; /* * Some architectures have strong cache aliasing requirements. @@ -384,11 +383,11 @@ unsigned long io_uring_get_unmapped_area(struct file *file, unsigned long addr, struct io_ring_ctx *ctx = file->private_data; void *ptr; guard(mutex)(&ctx->mmap_lock); - ptr = io_uring_validate_mmap_request(file, pgoff, len); + ptr = io_uring_validate_mmap_request(file, pgoff); if (IS_ERR(ptr)) return PTR_ERR(ptr); return (unsigned long) ptr; } -- 2.45.2