From: Kylene Jo Hall <kjhall@us.ibm.com>
Date: Fri, 18 Nov 2005 09:10:57 +0000 (-0800)
Subject: [PATCH] tpm: use flush_scheduled_work()
X-Git-Tag: v2.6.15-rc2~30
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ba3961152e7016237e15e3dfc18f08c1853d156b;p=platform%2Fkernel%2Flinux-exynos.git

[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>
---

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 0b283d2..a9be0e8 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 */