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Subject[RFC 6/6] drivers: uio: Un-restrict sysfs pointers for UIO
From: Chris Fries <cfries@google.com>

The addr and size on the UIO devices are required by userspace to function
properly. Let's unrestrict these by adding the 'P' modifier to %p and %pa.

Cc: William Roberts <william.c.roberts@intel.com>
Cc: Dave Weinstein <olorin@google.com>
Signed-off-by: Chris Fries <cfries@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/uio/uio.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 60ce7fd54e89..d9eae52519f4 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -56,12 +56,12 @@ static ssize_t map_name_show(struct uio_mem *mem, char *buf)

static ssize_t map_addr_show(struct uio_mem *mem, char *buf)
{
- return sprintf(buf, "%pa\n", &mem->addr);
+ return sprintf(buf, "%paP\n", &mem->addr);
}

static ssize_t map_size_show(struct uio_mem *mem, char *buf)
{
- return sprintf(buf, "%pa\n", &mem->size);
+ return sprintf(buf, "%paP\n", &mem->size);
}

static ssize_t map_offset_show(struct uio_mem *mem, char *buf)
--
2.12.2
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