From: Kylene Jo Hall <kjhall@us.ibm.com>
Date: Mon, 14 Nov 2005 00:07:42 +0000 (-0800)
Subject: [PATCH] tpm: dev_mask handling fix
X-Git-Tag: v2.6.15-rc2~146
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6a2382cec3ed9b67b01febfa85d7d72b254844a;p=linux-2.6

[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>
---

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 303f158804..1a53da99b5 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);