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>
Tue, 16 May 2023 14:04:42 +0000 (08:04 -0600)
commite27cef86a0edd4ef7f8b4670f508a03b509cbbb2
tree6ef17205ad6ce293a29e9e7e36799b396dd93de9
parent9b1b58cacc65ecee29bd85988c9ff957a84b43f4
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