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io_uring/memmap: return -EINVAL from get_unmapped_area() on bad mmap

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get_unmapped_area() returns -ENOMEM when io_uring_validate_mmap_request()
fails, but validation errors are -EINVAL. Propagate that errno to
userspace, like io_uring_mmap() already does.

Signed-off-by: Yi Xie <xieyi@kylinos.cn>
Link: https://patch.msgid.link/20260630091206.126206-1-xieyi@kylinos.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yi Xie 2026-06-30 17:12:06 +08:00 committed by Jens Axboe
parent 3996771b8f
commit df645b7459
1 changed files with 1 additions and 1 deletions
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2
io_uring/memmap.c
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@ -337,7 +337,7 @@ unsigned long io_uring_get_unmapped_area(struct file *filp, unsigned long addr,
ptr = io_uring_validate_mmap_request(filp, pgoff);
if (IS_ERR(ptr))
return -ENOMEM;
return PTR_ERR(ptr);
/*
* Some architectures have strong cache aliasing requirements.