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H A D | inode.c | e07fec47 Sat Apr 01 01:05:09 CDT 2023 Sandeep Dhavale <dhavale@google.com> usb: gadgetfs: Fix ep_read_iter to handle ITER_UBUF
iov_iter for ep_read_iter can be ITER_UBUF with io_uring. In that case dup_iter() does not have to allocate iov and it can return NULL. Fix the assumption by checking for iter_is_ubuf() other wise ep_read_iter can treat this as failure and return -ENOMEM.
Fixes: 1e23db450cff ("io_uring: use iter_ubuf for single range imports") Signed-off-by: Sandeep Dhavale <dhavale@google.com> Acked-by: Jens Axboe <axboe@kernel.dk> Link: https://lore.kernel.org/r/20230401060509.3608259-3-dhavale@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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