[PATCH] tpm_vtpm_proxy: fix sparse warning

Jarkko Sakkinen
2016-06-16T10:38:24Z

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