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authorLouis Rilling <louis.rilling@kerlabs.com>2009-12-04 14:52:42 +0100
committerJens Axboe <jens.axboe@oracle.com>2009-12-04 16:36:18 +0100
commitb69f2292063d2caf37ca9aec7d63ded203701bf3 (patch)
treebe4acb81ea4ab7014047808ec2b2c908e8334f55 /kernel/exit.c
parentblock: Fix io_context leak after clone with CLONE_IO (diff)
downloadlinux-b69f2292063d2caf37ca9aec7d63ded203701bf3.tar.xz
linux-b69f2292063d2caf37ca9aec7d63ded203701bf3.zip
block: Fix io_context leak after failure of clone with CLONE_IO
With CLONE_IO, parent's io_context->nr_tasks is incremented, but never decremented whenever copy_process() fails afterwards, which prevents exit_io_context() from calling IO schedulers exit functions. Give a task_struct to exit_io_context(), and call exit_io_context() instead of put_io_context() in copy_process() cleanup path. Signed-off-by: Louis Rilling <louis.rilling@kerlabs.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index f7864ac2ecc1..2544000125d9 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1004,7 +1004,7 @@ NORET_TYPE void do_exit(long code)
tsk->flags |= PF_EXITPIDONE;
if (tsk->io_context)
- exit_io_context();
+ exit_io_context(tsk);
if (tsk->splice_pipe)
__free_pipe_info(tsk->splice_pipe);