diff options
Diffstat (limited to 'io_uring/register.c')
| -rw-r--r-- | io_uring/register.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/io_uring/register.c b/io_uring/register.c index 99c37775f9..11517b34cf 100644 --- a/io_uring/register.c +++ b/io_uring/register.c @@ -113,7 +113,7 @@ static __cold int io_probe(struct io_ring_ctx *ctx, void __user *arg, for (i = 0; i < nr_args; i++) { p->ops[i].op = i; - if (!io_issue_defs[i].not_supported) + if (io_uring_op_supported(i)) p->ops[i].flags = IO_URING_OP_SUPPORTED; } p->ops_len = i; @@ -355,8 +355,10 @@ static __cold int io_register_iowq_max_workers(struct io_ring_ctx *ctx, } if (sqd) { + mutex_unlock(&ctx->uring_lock); mutex_unlock(&sqd->lock); io_put_sq_data(sqd); + mutex_lock(&ctx->uring_lock); } if (copy_to_user(arg, new_count, sizeof(new_count))) @@ -368,8 +370,7 @@ static __cold int io_register_iowq_max_workers(struct io_ring_ctx *ctx, /* now propagate the restriction to all registered users */ list_for_each_entry(node, &ctx->tctx_list, ctx_node) { - struct io_uring_task *tctx = node->task->io_uring; - + tctx = node->task->io_uring; if (WARN_ON_ONCE(!tctx->io_wq)) continue; @@ -381,8 +382,10 @@ static __cold int io_register_iowq_max_workers(struct io_ring_ctx *ctx, return 0; err: if (sqd) { + mutex_unlock(&ctx->uring_lock); mutex_unlock(&sqd->lock); io_put_sq_data(sqd); + mutex_lock(&ctx->uring_lock); } return ret; } |