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tools: bpftool: add error message on pin failure

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No error message is currently printed if the pin syscall
itself fails. It got lost in the loadall refactoring.

Fixes: 77380998d9 ("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>
This commit is contained in:
Jakub Kicinski 2019-08-06 17:19:23 -07:00 committed by Daniel Borkmann
parent b3e78adcbf
commit 3c7be384fe
1 changed files with 5 additions and 1 deletions
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6
tools/bpf/bpftool/common.c
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@ -204,7 +204,11 @@ int do_pin_fd(int fd, const char *name)
if (err) if (err)
return 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)) int do_pin_any(int argc, char **argv, int (*get_fd_by_id)(__u32))