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-rw-r--r--io_uring/kbuf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 4a6401080c1f..3002dc827195 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -505,7 +505,7 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
}
pages = io_pin_pages(reg.ring_addr,
- struct_size(br, bufs, reg.ring_entries),
+ flex_array_size(br, bufs, reg.ring_entries),
&nr_pages);
if (IS_ERR(pages)) {
kfree(free_bl);