[PATCH] tpm: add cancel function

This patch provides the logic to check if an operation has been canceled while
waiting for the response to arrive.

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_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 675290169508..37bea14f9310 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -245,6 +245,7 @@ static struct tpm_vendor_specific tpm_nsc = {
         .cancel = tpm_nsc_cancel,
         .req_complete_mask = NSC_STATUS_OBF,
         .req_complete_val = NSC_STATUS_OBF,
+        .req_canceled = NSC_STATUS_RDY,
         .base = TPM_NSC_BASE,
         .attr_group = &nsc_attr_grp,
         .miscdev = { .fops = &nsc_ops, },