[PATCH] libbpf: Fix lookup_and_delete_elem_flags

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

