summaryrefslogtreecommitdiffstats
path: root/fs/io_uring.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--fs/io_uring.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 29ec5b28c73d..e481ac8a757a 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -100,6 +100,8 @@
#define IORING_MAX_RESTRICTIONS (IORING_RESTRICTION_LAST + \
IORING_REGISTER_LAST + IORING_OP_LAST)
+#define IORING_MAX_REG_BUFFERS (1U << 14)
+
#define SQE_VALID_FLAGS (IOSQE_FIXED_FILE|IOSQE_IO_DRAIN|IOSQE_IO_LINK| \
IOSQE_IO_HARDLINK | IOSQE_ASYNC | \
IOSQE_BUFFER_SELECT)
@@ -8389,7 +8391,7 @@ static int io_sqe_buffers_register(struct io_ring_ctx *ctx, void __user *arg,
if (ctx->user_bufs)
return -EBUSY;
- if (!nr_args || nr_args > UIO_MAXIOV)
+ if (!nr_args || nr_args > IORING_MAX_REG_BUFFERS)
return -EINVAL;
ret = io_rsrc_node_switch_start(ctx);
if (ret)