io_uring: return error pointer from io_mem_alloc()
authorJens Axboe <axboe@kernel.dk>
Fri, 5 Nov 2021 23:13:52 +0000 (17:13 -0600)
committerJens Axboe <axboe@kernel.dk>
Sun, 14 May 2023 02:59:39 +0000 (20:59 -0600)
commit5285e0367ab3bcac1ae0e35f9cf9a506d7527d1d
treefe099785acb1e32dbf3a2a81c85f6768102dc420
parentbe43f915fe4075a6f03c6b2a92f5297999b8c224
io_uring: return error pointer from io_mem_alloc()

In preparation for having more than one time of ring allocator, make the
existing one return valid/error-pointer rather than just NULL.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring/io_uring.c