Messages in this thread Patch in this message | | | From | Namjae Jeon <> | Subject | [PATCH 3/3] driver: core: add security labels to misc class devnode | Date | Fri, 05 Jun 2015 19:10:24 +0900 |
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Add support for setting security labels on devtmpfs nodes created by misc class drivers using misc_register.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Vivek Trivedi <t.vivek@samsung.com> --- drivers/char/misc.c | 5 +++++ include/linux/miscdevice.h | 2 ++ 2 files changed, 7 insertions(+)
diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 63fb739..42fc006 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -274,6 +274,11 @@ static char *misc_devnode(struct device *dev, umode_t *mode, if (mode && c->mode) *mode = c->mode; + if (xattr && xattr->value && c->xattr_value) { + xattr->name = c->xattr_name; + strcpy(xattr->value, c->xattr_value); + xattr->value_len = strlen(xattr->value); + } if (c->nodename) return kstrdup(c->nodename, GFP_KERNEL); return NULL; diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index 819077c..bcc3d8e 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -64,6 +64,8 @@ struct miscdevice { const struct attribute_group **groups; const char *nodename; umode_t mode; + const char *xattr_name; + const char *xattr_value; }; extern int misc_register(struct miscdevice *misc); -- 1.8.5.5
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