diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hwmon/hwmon.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index e176a43af63d..a26c385a435b 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -22,6 +22,7 @@ #include <linux/gfp.h> #include <linux/spinlock.h> #include <linux/pci.h> +#include <linux/string.h> #define HWMON_ID_PREFIX "hwmon" #define HWMON_ID_FORMAT HWMON_ID_PREFIX "%d" @@ -99,6 +100,10 @@ hwmon_device_register_with_groups(struct device *dev, const char *name, struct hwmon_device *hwdev; int err, id; + /* Do not accept invalid characters in hwmon name attribute */ + if (name && (!strlen(name) || strpbrk(name, "-* \t\n"))) + return ERR_PTR(-EINVAL); + id = ida_simple_get(&hwmon_ida, 0, 0, GFP_KERNEL); if (id < 0) return ERR_PTR(id); |