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| author | Mehrdad Arshad Rad <arshad.rad@gmail.com> | 2021-11-04 18:13:54 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2021-11-05 16:26:08 +0100 |
| commit | 64165ddf8ea184631c65e3bbc8d59f6d940590ca (patch) | |
| tree | 2a8ae49c88215275af118296c4afcd23d8fd2384 /tools/lib/bpf/bpf.c | |
| parent | bpftool: Install libbpf headers for the bootstrap version, too (diff) | |
| download | linux-64165ddf8ea184631c65e3bbc8d59f6d940590ca.tar.xz linux-64165ddf8ea184631c65e3bbc8d59f6d940590ca.zip | |
libbpf: Fix lookup_and_delete_elem_flags error reporting
Fix bpf_map_lookup_and_delete_elem_flags() to pass the return code through
libbpf_err_errno() as we do similarly in bpf_map_lookup_and_delete_elem().
Fixes: f12b65432728 ("libbpf: Streamline error reporting for low-level APIs")
Signed-off-by: Mehrdad Arshad Rad <arshad.rad@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20211104171354.11072-1-arshad.rad@gmail.com
Diffstat (limited to 'tools/lib/bpf/bpf.c')
| -rw-r--r-- | tools/lib/bpf/bpf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index c09cbb868c9f..725701235fd8 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -515,6 +515,7 @@ int bpf_map_lookup_and_delete_elem(int fd, const void *key, void *value) int bpf_map_lookup_and_delete_elem_flags(int fd, const void *key, void *value, __u64 flags) { union bpf_attr attr; + int ret; memset(&attr, 0, sizeof(attr)); attr.map_fd = fd; @@ -522,7 +523,8 @@ int bpf_map_lookup_and_delete_elem_flags(int fd, const void *key, void *value, _ attr.value = ptr_to_u64(value); attr.flags = flags; - return sys_bpf(BPF_MAP_LOOKUP_AND_DELETE_ELEM, &attr, sizeof(attr)); + ret = sys_bpf(BPF_MAP_LOOKUP_AND_DELETE_ELEM, &attr, sizeof(attr)); + return libbpf_err_errno(ret); } int bpf_map_delete_elem(int fd, const void *key) |