diff options
Diffstat (limited to 'drivers/misc/mei/bus.c')
-rw-r--r-- | drivers/misc/mei/bus.c | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 038b6dd24..1f33fea92 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -589,6 +589,7 @@ static int mei_cl_device_probe(struct device *dev) struct mei_cl_device *cldev; struct mei_cl_driver *cldrv; const struct mei_cl_device_id *id; + int ret; cldev = to_mei_cl_device(dev); cldrv = to_mei_cl_driver(dev->driver); @@ -603,9 +604,12 @@ static int mei_cl_device_probe(struct device *dev) if (!id) return -ENODEV; - __module_get(THIS_MODULE); + ret = cldrv->probe(cldev, id); + if (ret) + return ret; - return cldrv->probe(cldev, id); + __module_get(THIS_MODULE); + return 0; } /** @@ -643,11 +647,8 @@ static ssize_t name_show(struct device *dev, struct device_attribute *a, char *buf) { struct mei_cl_device *cldev = to_mei_cl_device(dev); - size_t len; - len = snprintf(buf, PAGE_SIZE, "%s", cldev->name); - - return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; + return scnprintf(buf, PAGE_SIZE, "%s", cldev->name); } static DEVICE_ATTR_RO(name); @@ -656,11 +657,8 @@ static ssize_t uuid_show(struct device *dev, struct device_attribute *a, { struct mei_cl_device *cldev = to_mei_cl_device(dev); const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl); - size_t len; - - len = snprintf(buf, PAGE_SIZE, "%pUl", uuid); - return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; + return scnprintf(buf, PAGE_SIZE, "%pUl", uuid); } static DEVICE_ATTR_RO(uuid); @@ -669,11 +667,8 @@ static ssize_t version_show(struct device *dev, struct device_attribute *a, { struct mei_cl_device *cldev = to_mei_cl_device(dev); u8 version = mei_me_cl_ver(cldev->me_cl); - size_t len; - - len = snprintf(buf, PAGE_SIZE, "%02X", version); - return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; + return scnprintf(buf, PAGE_SIZE, "%02X", version); } static DEVICE_ATTR_RO(version); @@ -682,10 +677,8 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a, { struct mei_cl_device *cldev = to_mei_cl_device(dev); const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl); - size_t len; - len = snprintf(buf, PAGE_SIZE, "mei:%s:%pUl:", cldev->name, uuid); - return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; + return scnprintf(buf, PAGE_SIZE, "mei:%s:%pUl:", cldev->name, uuid); } static DEVICE_ATTR_RO(modalias); |