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driver core: handle user namespaces properly with the uid/gid devtmpfs change

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Now that devtmpfs is caring about uid/gid, we need to use the correct
internal types so users who have USER_NS enabled will have things work
properly for them.

Thanks to Eric for pointing this out, and the patch review.

Reported-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2013-04-11 11:43:29 -07:00
parent d81c8d19da
commit 4e4098a3e0
5 changed files with 20 additions and 20 deletions
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4
include/linux/device.h
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@ -467,7 +467,7 @@ struct device_type {
const struct attribute_group **groups;
int (*uevent)(struct device *dev, struct kobj_uevent_env *env);
char *(*devnode)(struct device *dev, umode_t *mode,
uid_t *uid, gid_t *gid);
kuid_t *uid, kgid_t *gid);
void (*release)(struct device *dev);
const struct dev_pm_ops *pm;
@ -845,7 +845,7 @@ extern int device_rename(struct device *dev, const char *new_name);
extern int device_move(struct device *dev, struct device *new_parent,
enum dpm_order dpm_order);
extern const char *device_get_devnode(struct device *dev,
umode_t *mode, uid_t *uid, gid_t *gid,
umode_t *mode, kuid_t *uid, kgid_t *gid,
const char **tmp);
extern void *dev_get_drvdata(const struct device *dev);
extern int dev_set_drvdata(struct device *dev, void *data);