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path: root/drivers/hid/hidraw.c
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Diffstat (limited to 'drivers/hid/hidraw.c')
-rw-r--r--drivers/hid/hidraw.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 73244962897..02b19db5442 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -267,8 +267,10 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
267 default: 267 default:
268 { 268 {
269 struct hid_device *hid = dev->hid; 269 struct hid_device *hid = dev->hid;
270 if (_IOC_TYPE(cmd) != 'H' || _IOC_DIR(cmd) != _IOC_READ) 270 if (_IOC_TYPE(cmd) != 'H' || _IOC_DIR(cmd) != _IOC_READ) {
271 return -EINVAL; 271 ret = -EINVAL;
272 break;
273 }
272 274
273 if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWNAME(0))) { 275 if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWNAME(0))) {
274 int len; 276 int len;
@@ -277,8 +279,9 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
277 len = strlen(hid->name) + 1; 279 len = strlen(hid->name) + 1;
278 if (len > _IOC_SIZE(cmd)) 280 if (len > _IOC_SIZE(cmd))
279 len = _IOC_SIZE(cmd); 281 len = _IOC_SIZE(cmd);
280 return copy_to_user(user_arg, hid->name, len) ? 282 ret = copy_to_user(user_arg, hid->name, len) ?
281 -EFAULT : len; 283 -EFAULT : len;
284 break;
282 } 285 }
283 286
284 if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWPHYS(0))) { 287 if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWPHYS(0))) {
@@ -288,12 +291,13 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
288 len = strlen(hid->phys) + 1; 291 len = strlen(hid->phys) + 1;
289 if (len > _IOC_SIZE(cmd)) 292 if (len > _IOC_SIZE(cmd))
290 len = _IOC_SIZE(cmd); 293 len = _IOC_SIZE(cmd);
291 return copy_to_user(user_arg, hid->phys, len) ? 294 ret = copy_to_user(user_arg, hid->phys, len) ?
292 -EFAULT : len; 295 -EFAULT : len;
296 break;
293 } 297 }
294 } 298 }
295 299
296 ret = -ENOTTY; 300 ret = -ENOTTY;
297 } 301 }
298 unlock_kernel(); 302 unlock_kernel();
299 return ret; 303 return ret;