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-rw-r--r--io_uring/rsrc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 603a783a0383..24e4e2109549 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -534,6 +534,8 @@ static int __io_register_rsrc_update(struct io_ring_ctx *ctx, unsigned type,
__u32 tmp;
int err;
+ lockdep_assert_held(&ctx->uring_lock);
+
if (check_add_overflow(up->offset, nr_args, &tmp))
return -EOVERFLOW;
err = io_rsrc_node_switch_start(ctx);