[PATCH] tpm_vtpm_proxy: fix sparse warning

From	Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Newsgroups	linux.kernel
Subject	[PATCH] tpm_vtpm_proxy: fix sparse warning
Date	2016-06-16 12:40 +0200
Message-ID	<rKCSm-7c3-33@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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When running make C=2 M=drivers/char/tpm/

  CC [M]  drivers/char/tpm//tpm_crb.o
  CHECK   drivers/char/tpm//tpm_vtpm_proxy.c
drivers/char/tpm//tpm_vtpm_proxy.c:552:32: warning: incorrect type in assignment (different address spaces)
drivers/char/tpm//tpm_vtpm_proxy.c:552:32:    expected struct vtpm_proxy_new_dev *vtpm_new_dev_p
drivers/char/tpm//tpm_vtpm_proxy.c:552:32:    got void [noderef] <asn:1>*argp
drivers/char/tpm//tpm_vtpm_proxy.c:553:51: warning: incorrect type in argument 2 (different address spaces)
drivers/char/tpm//tpm_vtpm_proxy.c:553:51:    expected void const [noderef] <asn:1>*from
drivers/char/tpm//tpm_vtpm_proxy.c:553:51:    got struct vtpm_proxy_new_dev *vtpm_new_dev_p
drivers/char/tpm//tpm_vtpm_proxy.c:559:34: warning: incorrect type in argument 1 (different address spaces)
drivers/char/tpm//tpm_vtpm_proxy.c:559:34:    expected void [noderef] <asn:1>*to
drivers/char/tpm//tpm_vtpm_proxy.c:559:34:    got struct vtpm_proxy_new_dev *vtpm_new_dev_p

The __user annotation was missing from the corresponding variable.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
---
 drivers/char/tpm/tpm_vtpm_proxy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/tpm/tpm_vtpm_proxy.c b/drivers/char/tpm/tpm_vtpm_proxy.c
index 4384042..86e27e8 100644
--- a/drivers/char/tpm/tpm_vtpm_proxy.c
+++ b/drivers/char/tpm/tpm_vtpm_proxy.c
@@ -541,7 +541,7 @@ static long vtpmx_fops_ioctl(struct file *f, unsigned int ioctl,
 				   unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
-	struct vtpm_proxy_new_dev *vtpm_new_dev_p;
+	struct vtpm_proxy_new_dev __user *vtpm_new_dev_p;
 	struct vtpm_proxy_new_dev vtpm_new_dev;
 	struct file *file;
 
-- 
2.7.4

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[PATCH] tpm_vtpm_proxy: fix sparse warning Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-06-16 12:40 +0200
  Re: [PATCH] tpm_vtpm_proxy: fix sparse warning Stefan Berger <stefanb@linux.vnet.ibm.com> - 2016-06-16 15:40 +0200
    Re: [PATCH] tpm_vtpm_proxy: fix sparse warning Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-06-16 22:40 +0200

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