linux-kernel - [PATCH] tpm: fix regression caused by section type conflict of tpm_dev

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Date:	Mon, 27 May 2013 21:51:47 +0200
From:	Peter Huewe <peterhuewe@....de>
To:	peterhuewe@....de, James Morris <jmorris@...ei.org>
Cc:	Tony Camuso <tcamuso@...hat.com>, linux-kernel@...r.kernel.org,
	LeonidasDaSilvaBarbosa <leosilva@...ux.vnet.ibm.com>,
	AshleyLai <ashley@...leylai.com>, <sfr@...b.auug.org.au>
Subject: [PATCH] tpm: fix regression caused by section type conflict of tpm_dev_release() in ppc builds

The 8119807 commit reintroduced a regression
(error: __ksymtab_tpm_dev_release causes a section type conflict) that was fixed by commit
cbb2ed4.
Fix it for good by adding the prototype to tpm.h so sparse doesn't
complain about it anymore.

Reported-by: Tony Camuso <tcamuso@...hat.com>
Signed-off-by: Peter Huewe <peterhuewe@....de>
---
James, can you please take this one directly and push it to next please?
As it causes a build failure on ppc

 drivers/char/tpm/tpm.c | 2 +-
 drivers/char/tpm/tpm.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 7c3b3dc..e3c974a 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1472,7 +1472,7 @@ EXPORT_SYMBOL_GPL(tpm_dev_vendor_release);
  * Once all references to platform device are down to 0,
  * release all allocated structures.
  */
-static void tpm_dev_release(struct device *dev)
+void tpm_dev_release(struct device *dev)
 {
 	struct tpm_chip *chip = dev_get_drvdata(dev);
 
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 4334232..a7bfc17 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -332,6 +332,7 @@ extern struct tpm_chip* tpm_register_hardware(struct device *,
 				 const struct tpm_vendor_specific *);
 extern int tpm_open(struct inode *, struct file *);
 extern int tpm_release(struct inode *, struct file *);
+extern void tpm_dev_release(struct device *dev);
 extern void tpm_dev_vendor_release(struct tpm_chip *);
 extern ssize_t tpm_write(struct file *, const char __user *, size_t,
 			 loff_t *);
-- 
1.8.1.5

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