diff options
| author | Marcus Meissner <meissner@suse.de> | 2009-01-15 21:51:00 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-16 00:39:37 (GMT) |
| commit | 65a67bd2644bef225ee318dde76016a4697218fa (patch) | |
| tree | 4e3e40af9836c22b1c3c32a5a4667d7489b0acdc | |
| parent | b098161b4d0231f7dc5306111d576c0bfe0c8eba (diff) | |
| download | linux-65a67bd2644bef225ee318dde76016a4697218fa.tar.xz | |
Documentation/accounting/getdelays.c: fix endless loop
When no option is passed to getdelays it just hangs, waiting
for a reply which will never come.
This patch prints usage() when no output marker is specified.
Signed-off-by: Marcus Meissner <meissner@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | Documentation/accounting/getdelays.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c index cc49400..7ea2311 100644 --- a/Documentation/accounting/getdelays.c +++ b/Documentation/accounting/getdelays.c @@ -392,6 +392,10 @@ int main(int argc, char *argv[]) goto err; } } + if (!maskset && !tid && !containerset) { + usage(); + goto err; + } do { int i; |