Staging: sep: return -EFAULT on copy_to_user errors
authorDan Carpenter <error27@gmail.com>
Fri, 4 Jun 2010 10:38:40 +0000 (12:38 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 4 Jun 2010 20:38:58 +0000 (13:38 -0700)
commit640f7dcfe047aa5859df5f5d41e7f6455a442b89
treeabfef4749d8b51e770862d87b6ea7efd14ed5dfe
parent2d98bb22c33b033182edd3a3c6b4c4e1d091db4d
Staging: sep: return -EFAULT on copy_to_user errors

copy_to_user() returns the number of bytes remaining but we want to
return a negative error code here.  These functions are used in the
ioctl handler and the error code gets returned to userspace.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/staging/sep/sep_driver.c