[PATCH] tpm: dev_mask handling fix

- Use ~, not !

- Remove unneeded cast

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, 3 deletions

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 303f1588046..1a53da99b58 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -428,8 +428,7 @@ ssize_t tpm_read(struct file * file, char __user *buf,
                         ret_size = size;
 
                 down(&chip->buffer_mutex);
-                if (copy_to_user
-                    ((void __user *) buf, chip->data_buffer, ret_size))
+                if (copy_to_user(buf, chip->data_buffer, ret_size))
                         ret_size = -EFAULT;
                 up(&chip->buffer_mutex);
         }
@@ -460,7 +459,7 @@ void tpm_remove_hardware(struct device *dev)
         sysfs_remove_group(&dev->kobj, chip->vendor->attr_group);
 
         dev_mask[chip->dev_num / TPM_NUM_MASK_ENTRIES ] &=
-                !(1 << (chip->dev_num % TPM_NUM_MASK_ENTRIES));
+                ~(1 << (chip->dev_num % TPM_NUM_MASK_ENTRIES));
 
         kfree(chip);