Messages in this thread Patch in this message | | | Date | Fri, 5 May 2017 21:07:59 -0700 | From | Greg KH <> | Subject | [RFC 6/6] drivers: uio: Un-restrict sysfs pointers for UIO |
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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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