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authorJens Axboe <axboe@kernel.dk>2023-12-19 12:36:34 -0700
committerJens Axboe <axboe@kernel.dk>2023-12-19 12:36:34 -0700
commit6e5e6d274956305f1fc0340522b38f5f5be74bdb (patch)
tree531432a48f4872dcdcc561729f0c1684d5443ae4 /io_uring/io_uring.c
parenta4104821ad651d8a0b374f0b2474c345bbb42f82 (diff)
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io_uring: drop any code related to SCM_RIGHTS
This is dead code after we dropped support for passing io_uring fds over SCM_RIGHTS, get rid of it. Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
-rw-r--r--io_uring/io_uring.c32
1 files changed, 2 insertions, 30 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index a9acccd45880..a9a519fa9926 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -60,7 +60,6 @@
#include <linux/net.h>
#include <net/sock.h>
#include <net/af_unix.h>
-#include <net/scm.h>
#include <linux/anon_inodes.h>
#include <linux/sched/mm.h>
#include <linux/uaccess.h>
@@ -2866,13 +2865,6 @@ static __cold void io_ring_ctx_free(struct io_ring_ctx *ctx)
io_rsrc_node_destroy(ctx, ctx->rsrc_node);
WARN_ON_ONCE(!list_empty(&ctx->rsrc_ref_list));
-
-#if defined(CONFIG_UNIX)
- if (ctx->ring_sock) {
- ctx->ring_sock->file = NULL; /* so that iput() is called */
- sock_release(ctx->ring_sock);
- }
-#endif
WARN_ON_ONCE(!list_empty(&ctx->ltimeout_list));
io_alloc_cache_free(&ctx->rsrc_node_cache, io_rsrc_node_cache_free);
@@ -3781,32 +3773,12 @@ static int io_uring_install_fd(struct file *file)
/*
* Allocate an anonymous fd, this is what constitutes the application
* visible backing of an io_uring instance. The application mmaps this
- * fd to gain access to the SQ/CQ ring details. If UNIX sockets are enabled,
- * we have to tie this fd to a socket for file garbage collection purposes.
+ * fd to gain access to the SQ/CQ ring details.
*/
static struct file *io_uring_get_file(struct io_ring_ctx *ctx)
{
- struct file *file;
-#if defined(CONFIG_UNIX)
- int ret;
-
- ret = sock_create_kern(&init_net, PF_UNIX, SOCK_RAW, IPPROTO_IP,
- &ctx->ring_sock);
- if (ret)
- return ERR_PTR(ret);
-#endif
-
- file = anon_inode_getfile_secure("[io_uring]", &io_uring_fops, ctx,
+ return anon_inode_getfile_secure("[io_uring]", &io_uring_fops, ctx,
O_RDWR | O_CLOEXEC, NULL);
-#if defined(CONFIG_UNIX)
- if (IS_ERR(file)) {
- sock_release(ctx->ring_sock);
- ctx->ring_sock = NULL;
- } else {
- ctx->ring_sock->file = file;
- }
-#endif
- return file;
}
static __cold int io_uring_create(unsigned entries, struct io_uring_params *p,