io_uring: check for valid register opcode earlier

stable inclusion
from stable-v5.10.165
commit 78e8151f04f0aa0a5809aafea5de3719c2360033
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7T7G4

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=78e8151f04f0aa0a5809aafea5de3719c2360033



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[ Upstream commit 34319084 ]

We only check the register opcode value inside the restricted ring
section, move it into the main io_uring_register() function instead
and check it up front.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>