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>
Fri, 13 May 2022 15:06:07 +0000 (09:06 -0600)
commit8914ff43cab8f6c84961fdd235caada9155cb86b
tree880bee0ddd2a9302953afadb66511cd736e597ff
parent63f57f459cb10c9ac3ba409550a7c4d37d1e595c
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>
fs/io_uring.c