io_uring: minor io_cqring_wait() optimization
Move up the block manipulating the sig variable to execute code that may encounter an error and exit first before continuing executing the rest of the function and avoid useless computations Signed-off-by: Olivier Langlois <olivier@trillion01.com> Link: https://lore.kernel.org/r/84513f7cc1b1fb31d8f4cb910aee033391d036b4.1646777484.git.olivier@trillion01.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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