diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2014-03-14 10:26:45 +0100 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2014-03-14 10:26:45 +0100 |
commit | 9e294427f6e427dbaf46140303acded06365f53c (patch) | |
tree | 0669100cbd79fe8612463900171c98873d8dc454 /drivers/usb/core/driver.c | |
parent | 23600969ff137cf4c3bc9098f77e381de334e3f7 (diff) | |
parent | fa389e220254c69ffae0d403eac4146171062d08 (diff) |
Merge tag 'v3.14-rc6' into devel
Linux 3.14-rc6
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 5d01558cef6..ab90a015682 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, dynid->id.idProduct = idProduct; dynid->id.match_flags = USB_DEVICE_ID_MATCH_DEVICE; if (fields > 2 && bInterfaceClass) { - if (bInterfaceClass > 255) - return -EINVAL; + if (bInterfaceClass > 255) { + retval = -EINVAL; + goto fail; + } dynid->id.bInterfaceClass = (u8)bInterfaceClass; dynid->id.match_flags |= USB_DEVICE_ID_MATCH_INT_CLASS; @@ -73,17 +75,21 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, if (fields > 4) { const struct usb_device_id *id = id_table; - if (!id) - return -ENODEV; + if (!id) { + retval = -ENODEV; + goto fail; + } for (; id->match_flags; id++) if (id->idVendor == refVendor && id->idProduct == refProduct) break; - if (id->match_flags) + if (id->match_flags) { dynid->id.driver_info = id->driver_info; - else - return -ENODEV; + } else { + retval = -ENODEV; + goto fail; + } } spin_lock(&dynids->lock); @@ -95,6 +101,10 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, if (retval) return retval; return count; + +fail: + kfree(dynid); + return retval; } EXPORT_SYMBOL_GPL(usb_store_new_id); |