From: Mehrdad Arshad Rad <arshad.rad@gmail.com>
To: bpf@vger.kernel.org
Cc: Mehrdad Arshad Rad <arshad.rad@gmail.com>
Subject: [PATCH] libbpf: Fix lookup_and_delete_elem_flags
Date: Thu, 4 Nov 2021 10:13:54 -0700 [thread overview]
Message-ID: <20211104171354.11072-1-arshad.rad@gmail.com> (raw)
Added libbpf_err_errno to bpf_map_lookup_and_delete_elem_flags
Signed-off-by: Mehrdad Arshad Rad <arshad.rad@gmail.com>
---
tools/lib/bpf/bpf.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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)
--
2.25.1
next reply other threads:[~2021-11-04 17:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-04 17:13 Mehrdad Arshad Rad [this message]
2021-11-04 18:24 ` [PATCH] libbpf: Fix lookup_and_delete_elem_flags Yonghong Song
2021-11-05 15:30 ` patchwork-bot+netdevbpf
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