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bpf: Use bpf_map_area_free instread of kvfree

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bpf_map_area_alloc() should be paired with bpf_map_area_free().

Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Link: https://lore.kernel.org/r/20220810151840.16394-3-laoar.shao@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Yafang Shao 2022-08-10 15:18:27 +00:00 committed by Alexei Starovoitov
parent 083818156d
commit 8f58ee54c2
1 changed files with 2 additions and 2 deletions
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4
kernel/bpf/ringbuf.c
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@ -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)