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tools: bpftool: fix completion for "bpftool map update"

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When trying to complete "bpftool map update" commands, the call to
printf would print an error message that would show on the command line
if no map is found to complete the command line.

Fix it by making sure we have map ids to complete the line with, before
we try to print something.

Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Quentin Monnet 2018-10-20 23:01:50 +01:00 committed by Daniel Borkmann
parent 06ee9da6a8
commit fe8ecccc10
1 changed files with 1 additions and 1 deletions
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2
tools/bpf/bpftool/bash-completion/bpftool
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@ -143,7 +143,7 @@ _bpftool_map_update_map_type()
local type
type=$(bpftool -jp map show $keyword $ref | \
command sed -n 's/.*"type": "\(.*\)",$/\1/p')
printf $type
[[ -n $type ]] && printf $type
}
_bpftool_map_update_get_id()