Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Sun,  1 Oct 2017 11:06:50 +1100
From: "Tobin C. Harding" <>
To: Greg KH <>,
	Petr Mladek <>,
	Joe Perches <>,
	Ian Campbell <>,
	Sergey Senozhatsky <>
Cc: "Tobin C. Harding" <>,,,
	Catalin Marinas <>,
	Will Deacon <>,
	Steven Rostedt <>,
	William Roberts <>,
	Chris Fries <>,
	Dave Weinstein <>
Subject: [RFC V2 6/6] drivers: uio: un-restrict sysfs pointers for UIO

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 <>
 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 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)

Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.