Commit 8f58ee54 authored by Yafang Shao's avatar Yafang Shao Committed by Alexei Starovoitov
Browse files

bpf: Use bpf_map_area_free instread of kvfree 



bpf_map_area_alloc() should be paired with bpf_map_area_free().

Signed-off-by: default avatarYafang Shao <laoar.shao@gmail.com>
Link: https://lore.kernel.org/r/20220810151840.16394-3-laoar.shao@gmail.com


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 08381815

kernel/bpf/ringbuf.c

+2 −2
Original line number Diff line number Diff line
@@ -116,7 +116,7 @@ static struct bpf_ringbuf *bpf_ringbuf_area_alloc(size_t data_sz, int numa_node) 
err_free_pages:

	for (i = 0; i < nr_pages; i++)

		__free_page(pages[i]);

	kvfree(pages);

	bpf_map_area_free(pages);

	return NULL;

}
@@ -190,7 +190,7 @@ static void bpf_ringbuf_free(struct bpf_ringbuf *rb) 
	vunmap(rb);

	for (i = 0; i < nr_pages; i++)

		__free_page(pages[i]);

	kvfree(pages);

	bpf_map_area_free(pages);

}



static void ringbuf_map_free(struct bpf_map *map)