[PATCH] tpm: use flush_scheduled_work()

Add the necessary flush_schedule_work calls when canceling the timer.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 0b283d246730..a9be0e8eaea5 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -377,6 +377,7 @@ int tpm_release(struct inode *inode, struct file *file)
         file->private_data = NULL;
         chip->num_opens--;
         del_singleshot_timer_sync(&chip->user_read_timer);
+        flush_scheduled_work();
         atomic_set(&chip->data_pending, 0);
         put_device(chip->dev);
         kfree(chip->data_buffer);
@@ -428,6 +429,7 @@ ssize_t tpm_read(struct file * file, char __user *buf,
         int ret_size;
 
         del_singleshot_timer_sync(&chip->user_read_timer);
+        flush_scheduled_work();
         ret_size = atomic_read(&chip->data_pending);
         atomic_set(&chip->data_pending, 0);
         if (ret_size > 0) {     /* relay data */