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[RFC,V2,6/6] drivers: uio: un-restrict sysfs pointers for UIO

Message ID 1506816410-10230-7-git-send-email-me@tobin.cc (mailing list archive)
State New, archived
Headers show

Commit Message

Tobin Harding Oct. 1, 2017, 12:06 a.m. UTC
The address and size on the UIO devices are required by userspace to
function properly.  Let's un-restrict these by adding the 'P' modifier
to %pa.

Signed-off-by: Tobin C. Harding <me@tobin.cc>
---
 drivers/uio/uio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Greg KH Oct. 4, 2017, 8:58 a.m. UTC | #1
On Sun, Oct 01, 2017 at 11:06:50AM +1100, Tobin C. Harding wrote:
> The address and size on the UIO devices are required by userspace to
> function properly.  Let's un-restrict these by adding the 'P' modifier
> to %pa.
> 
> Signed-off-by: Tobin C. Harding <me@tobin.cc>

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff mbox

Patch

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index ff04b7f..728ec8f 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)