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, 27 Mar 2022 21:20:13 +0000 (15:20 -0600)
commit5911f64be48792cc9ff602d1831f755b40cd934d
tree68f78bb04ce687c864c1fc8cd6eb87debb708e58
parenta04986c72449baf88bd786133a8c8a6e3959b461
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