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authorKay Sievers <kay@vrfy.org>2013-04-06 09:56:00 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-08 08:21:48 -0700
commit3c2670e6515cf584810f417db9b00992c8b2d75a (patch)
treebc13c7babc6c8f08b6a82d0b3848778b264d9651 /block
parentbb2b0051d7b0772ea9d0b4be900c2d965093f5d7 (diff)
downloadlinux-linaro-stable-3c2670e6515cf584810f417db9b00992c8b2d75a.tar.gz
driver core: add uid and gid to devtmpfs
Some drivers want to tell userspace what uid and gid should be used for their device nodes, so allow that information to percolate through the driver core to userspace in order to make this happen. This means that some systems (i.e. Android and friends) will not need to even run a udev-like daemon for their device node manager and can just rely in devtmpfs fully, reducing their footprint even more. Signed-off-by: Kay Sievers <kay@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block')
-rw-r--r--block/genhd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 3c001fba80c7..dfcec431ceea 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1111,7 +1111,8 @@ struct class block_class = {
.name = "block",
};
-static char *block_devnode(struct device *dev, umode_t *mode)
+static char *block_devnode(struct device *dev, umode_t *mode,
+ uid_t *uid, gid_t *gid)
{
struct gendisk *disk = dev_to_disk(dev);