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ipaddrlabel: Improve help text precision 

Neither 'list' nor 'flush' actions accept parameters, and with given
prefix the action keyword is not optional anymore.

Signed-off-by: Phil Sutter <phil@nwl.cc>
This commit is contained in:
Phil Sutter 2016-03-02 19:19:50 +01:00 committed by Stephen Hemminger
parent 7a53aa592f
commit 27ff1a564b
1 changed files with 2 additions and 1 deletions
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3
ip/ipaddrlabel.c
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@ -49,7 +49,8 @@ static void usage(void) __attribute__((noreturn));
static void usage(void)
{
fprintf(stderr, "Usage: ip addrlabel [ list | add | del | flush ] prefix PREFIX [ dev DEV ] [ label LABEL ]\n");
fprintf(stderr, "Usage: ip addrlabel { add | del } prefix PREFIX [ dev DEV ] [ label LABEL ]\n");
fprintf(stderr, " ip addrlabel [ list | flush | help ]\n");
exit(-1);
}