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, 18 Dec 2022 18:20:05 +0000 (11:20 -0700)
commit06b2f8a5314b9d8dafbbe5bf338a30c17d91b78f
treeb3883d9155a1216d434e2503503bcdebdc8316ec
parent5f2b68616c44408f914d4bbe49b41f5d4ec520bb
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