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authorJakub Kicinski <jakub.kicinski@netronome.com>2019-08-06 17:19:23 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2019-08-09 17:38:53 +0200
commit3c7be384fe6da0d7b1d6fc0ad6b4a33edb73aad5 (patch)
treeff6a09b0cb3b5fbe8a05bd28c6f86fb505a79f7b /tools
parentb3e78adcbf991a4e8b2ebb23c9889e968ec76c5f (diff)
downloadlinux-3c7be384fe6da0d7b1d6fc0ad6b4a33edb73aad5.tar.bz2
tools: bpftool: add error message on pin failure
No error message is currently printed if the pin syscall itself fails. It got lost in the loadall refactoring. Fixes: 77380998d91d ("bpftool: add loadall command") Reported-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools')
-rw-r--r--tools/bpf/bpftool/common.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index c52a6ffb8949..6a71324be628 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -204,7 +204,11 @@ int do_pin_fd(int fd, const char *name)
if (err)
return err;
- return bpf_obj_pin(fd, name);
+ err = bpf_obj_pin(fd, name);
+ if (err)
+ p_err("can't pin the object (%s): %s", name, strerror(errno));
+
+ return err;
}
int do_pin_any(int argc, char **argv, int (*get_fd_by_id)(__u32))