[PATCH 3/6] io_uring/kbuf: drop extra vars in io_register_pbuf_ring

[Pavel Begunkov <asml.silence@gmail.com>]

bl and free_bl variables in io_register_pbuf_ring() always point to the
same list since we started to reallocate the pre-existent list. Drop
free_bl.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
 io_uring/kbuf.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 344517d1d921..406e8a9b42c3 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -591,7 +591,7 @@ int io_provide_buffers(struct io_kiocb *req, unsigned int issue_flags)
 int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
 {
 	struct io_uring_buf_reg reg;
-	struct io_buffer_list *bl, *free_bl = NULL;
+	struct io_buffer_list *bl;
 	struct io_uring_region_desc rd;
 	struct io_uring_buf_ring *br;
 	unsigned long mmap_offset;
@@ -620,7 +620,7 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
 		io_destroy_bl(ctx, bl);
 	}
 
-	free_bl = bl = kzalloc(sizeof(*bl), GFP_KERNEL_ACCOUNT);
+	bl = kzalloc(sizeof(*bl), GFP_KERNEL_ACCOUNT);
 	if (!bl)
 		return -ENOMEM;
 
@@ -665,7 +665,7 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
 	return 0;
 fail:
 	io_free_region(ctx, &bl->region);
-	kfree(free_bl);
+	kfree(bl);
 	return ret;
 }
 
-- 
2.49.0