diff options
Diffstat (limited to 'drivers/base/core.c')
-rw-r--r-- | drivers/base/core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 20da3ad1696b..14d162952c3b 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1211,6 +1211,9 @@ void device_del(struct device *dev) */ if (platform_notify_remove) platform_notify_remove(dev); + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->p->bus_notifier, + BUS_NOTIFY_REMOVED_DEVICE, dev); kobject_uevent(&dev->kobj, KOBJ_REMOVE); cleanup_device_parent(dev); kobject_del(&dev->kobj); @@ -2007,6 +2010,8 @@ create_syslog_header(const struct device *dev, char *hdr, size_t hdrlen) return 0; pos += snprintf(hdr + pos, hdrlen - pos, "SUBSYSTEM=%s", subsys); + if (pos >= hdrlen) + goto overflow; /* * Add device identifier DEVICE=: @@ -2038,7 +2043,14 @@ create_syslog_header(const struct device *dev, char *hdr, size_t hdrlen) "DEVICE=+%s:%s", subsys, dev_name(dev)); } + if (pos >= hdrlen) + goto overflow; + return pos; + +overflow: + dev_WARN(dev, "device/subsystem name too long"); + return 0; } int dev_vprintk_emit(int level, const struct device *dev, |