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| author | Oleksandr Tymoshenko <gonzo@FreeBSD.org> | 2019-01-20 19:47:33 +0000 |
|---|---|---|
| committer | Oleksandr Tymoshenko <gonzo@FreeBSD.org> | 2019-01-20 19:47:33 +0000 |
| commit | 13fe9f7f820d43400912b56aa6745a2b8007a514 (patch) | |
| tree | 591dd1abd5c61ac96eab77c240a747fea51f5982 /usr.bin | |
| parent | 4945f79a4c785ca11801808ca1752a68809d0516 (diff) | |
| download | src-13fe9f7f820d43400912b56aa6745a2b8007a514.tar.gz src-13fe9f7f820d43400912b56aa6745a2b8007a514.zip | |
Notes
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/systat/devs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/usr.bin/systat/devs.c b/usr.bin/systat/devs.c index e6b1e48eb10e..e1c12eacbe74 100644 --- a/usr.bin/systat/devs.c +++ b/usr.bin/systat/devs.c @@ -193,6 +193,11 @@ dsmatchselect(const char *args, devstat_select_mode select_mode, int maxshowdevs int i; int retval = 0; + if (!args) { + warnx("dsmatchselect: no arguments"); + return(0); + } + /* * Break the (pipe delimited) input string out into separate * strings. @@ -251,6 +256,11 @@ dsselect(const char *args, devstat_select_mode select_mode, int maxshowdevs, int i; int retval = 0; + if (!args) { + warnx("dsselect: no argument"); + return(1); + } + /* * If we've gone through this code before, free previously * allocated resources. |