From: Hengqi Chen <hengqi.chen@gmail.com>
Date: Sat, 19 Mar 2022 03:05:33 +0000 (+0800)
Subject: libbpf: Close fd in bpf_object__reuse_map
X-Git-Tag: v6.6.17~7931^2~11^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d0f325c34c2fbe15f6774f2b628224280b571ae9;p=platform%2Fkernel%2Flinux-rpi.git

libbpf: Close fd in bpf_object__reuse_map

pin_fd is dup-ed and assigned in bpf_map__reuse_fd. Close it
in bpf_object__reuse_map after reuse.

Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220319030533.3132250-1-hengqi.chen@gmail.com
---

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 2efe943..809fe20 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -4823,8 +4823,8 @@ bpf_object__reuse_map(struct bpf_map *map)
 	}
 
 	err = bpf_map__reuse_fd(map, pin_fd);
+	close(pin_fd);
 	if (err) {
-		close(pin_fd);
 		return err;
 	}
 	map->pinned = true;