[PATCH] tpm: locking fix

Use schedule_work() to avoid down()-in-timer-handler problem.

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, 1 insertions, 0 deletions

diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index ad51c6538034..159882ca69dd 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -77,6 +77,7 @@ struct tpm_chip {
         struct semaphore buffer_mutex;
 
         struct timer_list user_read_timer;      /* user needs to claim result */
+        struct work_struct work;
         struct semaphore tpm_mutex;     /* tpm is processing */
 
         struct tpm_vendor_specific *vendor;