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authorYafang Shao <laoar.shao@gmail.com>2022-08-10 15:18:27 +0000
committerAlexei Starovoitov <ast@kernel.org>2022-08-10 11:48:44 -0700
commit8f58ee54c2eae790f50c51dfa64a153601451f08 (patch)
tree32a38c0218cf709f320c21509475b4bd90c0cab9
parent083818156d1e98f22b1ac612a3957bc553e7ba57 (diff)
downloadlinux-8f58ee54c2eae790f50c51dfa64a153601451f08.tar.gz
bpf: Use bpf_map_area_free instread of kvfree
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>
-rw-r--r--kernel/bpf/ringbuf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c
index ded4faeca192..3fb54feb39d4 100644
--- a/kernel/bpf/ringbuf.c
+++ b/kernel/bpf/ringbuf.c
@@ -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)