diff options
Diffstat (limited to 'drivers/usb/core/driver.c')
-rw-r--r-- | drivers/usb/core/driver.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 5d01558cef66..ab90a0156828 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c | |||
@@ -63,8 +63,10 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, | |||
63 | dynid->id.idProduct = idProduct; | 63 | dynid->id.idProduct = idProduct; |
64 | dynid->id.match_flags = USB_DEVICE_ID_MATCH_DEVICE; | 64 | dynid->id.match_flags = USB_DEVICE_ID_MATCH_DEVICE; |
65 | if (fields > 2 && bInterfaceClass) { | 65 | if (fields > 2 && bInterfaceClass) { |
66 | if (bInterfaceClass > 255) | 66 | if (bInterfaceClass > 255) { |
67 | return -EINVAL; | 67 | retval = -EINVAL; |
68 | goto fail; | ||
69 | } | ||
68 | 70 | ||
69 | dynid->id.bInterfaceClass = (u8)bInterfaceClass; | 71 | dynid->id.bInterfaceClass = (u8)bInterfaceClass; |
70 | dynid->id.match_flags |= USB_DEVICE_ID_MATCH_INT_CLASS; | 72 | dynid->id.match_flags |= USB_DEVICE_ID_MATCH_INT_CLASS; |
@@ -73,17 +75,21 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, | |||
73 | if (fields > 4) { | 75 | if (fields > 4) { |
74 | const struct usb_device_id *id = id_table; | 76 | const struct usb_device_id *id = id_table; |
75 | 77 | ||
76 | if (!id) | 78 | if (!id) { |
77 | return -ENODEV; | 79 | retval = -ENODEV; |
80 | goto fail; | ||
81 | } | ||
78 | 82 | ||
79 | for (; id->match_flags; id++) | 83 | for (; id->match_flags; id++) |
80 | if (id->idVendor == refVendor && id->idProduct == refProduct) | 84 | if (id->idVendor == refVendor && id->idProduct == refProduct) |
81 | break; | 85 | break; |
82 | 86 | ||
83 | if (id->match_flags) | 87 | if (id->match_flags) { |
84 | dynid->id.driver_info = id->driver_info; | 88 | dynid->id.driver_info = id->driver_info; |
85 | else | 89 | } else { |
86 | return -ENODEV; | 90 | retval = -ENODEV; |
91 | goto fail; | ||
92 | } | ||
87 | } | 93 | } |
88 | 94 | ||
89 | spin_lock(&dynids->lock); | 95 | spin_lock(&dynids->lock); |
@@ -95,6 +101,10 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, | |||
95 | if (retval) | 101 | if (retval) |
96 | return retval; | 102 | return retval; |
97 | return count; | 103 | return count; |
104 | |||
105 | fail: | ||
106 | kfree(dynid); | ||
107 | return retval; | ||
98 | } | 108 | } |
99 | EXPORT_SYMBOL_GPL(usb_store_new_id); | 109 | EXPORT_SYMBOL_GPL(usb_store_new_id); |
100 | 110 | ||