diff options
Diffstat (limited to 'drivers-uio-un-restrict-sysfs-pointers-for-uio.patch')
| -rw-r--r-- | drivers-uio-un-restrict-sysfs-pointers-for-uio.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers-uio-un-restrict-sysfs-pointers-for-uio.patch b/drivers-uio-un-restrict-sysfs-pointers-for-uio.patch new file mode 100644 index 00000000000000..7223ab865eef62 --- /dev/null +++ b/drivers-uio-un-restrict-sysfs-pointers-for-uio.patch @@ -0,0 +1,31 @@ +From: Chris Fries <cfries@google.com> +Date: Thu, 27 Apr 2017 23:30:55 -0500 +Subject: drivers: uio: Un-restrict sysfs pointers for UIO + +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. + +Signed-off-by: Chris Fries <cfries@google.com> +--- + +--- + drivers/uio/uio.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/uio/uio.c ++++ b/drivers/uio/uio.c +@@ -56,12 +56,12 @@ static ssize_t map_name_show(struct uio_ + + 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) |