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bpf: Fix an error code in check_btf_func()

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This code returns success if the "info_aux" allocation fails but it
should return -ENOMEM.

Fixes: 8c1b6e69dc ("bpf: Compare BTF types of functions arguments with actual types")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20200604085436.GA943001@mwanda
This commit is contained in:
Dan Carpenter 2020-06-04 11:54:36 +03:00 committed by Daniel Borkmann
parent 49b2357594
commit e7ed83d6fa
1 changed files with 1 additions and 1 deletions
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kernel/bpf/verifier.c
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@ -7552,7 +7552,7 @@ static int check_btf_func(struct bpf_verifier_env *env,
const struct btf *btf; const struct btf *btf;
void __user *urecord; void __user *urecord;
u32 prev_offset = 0; u32 prev_offset = 0;
int ret = 0; int ret = -ENOMEM;
nfuncs = attr->func_info_cnt; nfuncs = attr->func_info_cnt;
if (!nfuncs) if (!nfuncs)