diff options
| author | Li Zefan <[email protected]> | 2009-03-20 09:49:08 +0800 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2009-03-21 16:16:54 +0100 |
| commit | 15152e448b693fa41de40f1e40ffbe717a3aab88 (patch) | |
| tree | 0fec87dd1850aa8e6e8be21bebb3ce0bd3bf148a /net/lapb/lapb_in.c | |
| parent | cbe28296eb1ac441b35cf45804d0ae808add7dd1 (diff) | |
blktrace: report EBUSY correctly
blk_trace_remove_queue() returns EINVAL if q->blk_trace == NULL,
but blk_trace_setup_queue() doesn't return EBUSY if
q->blk_trace != NULL.
# echo 0 > sdaX/trace/enable
# echo 0 > sdaX/trace/enable
bash: echo: write error: Invalid argument
# echo 1 > sdaX/trace/enable
# echo 1 > sdaX/trace/enable
(should return EBUSY)
Signed-off-by: Li Zefan <[email protected]>
Acked-by: Arnaldo Carvalho de Melo <[email protected]>
Acked-by: Frederic Weisbecker <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Steven Rostedt <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'net/lapb/lapb_in.c')
0 files changed, 0 insertions, 0 deletions