From 709d27c04f4eccbc99d57a5569bce028915a4345 Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Thu, 27 Sep 2007 11:24:55 +0200 Subject: HID: hidraw_connect() memleak fix It looks like hidraw_connect() is leaking memory in case of failure. Also it should return -ENOMEM when kzalloc fails. Signed-off-by: Mariusz Kozlowski Signed-off-by: Jiri Kosina --- drivers/hid/hidraw.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 20ebba1032b..8503197a813 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -282,7 +282,7 @@ EXPORT_SYMBOL_GPL(hidraw_report_event); int hidraw_connect(struct hid_device *hid) { - int minor, result = -EINVAL; + int minor, result; struct hidraw *dev; /* TODO currently we accept any HID device. This should later @@ -290,8 +290,11 @@ int hidraw_connect(struct hid_device *hid) * non-input applications */ - if (!(dev = kzalloc(sizeof(struct hidraw), GFP_KERNEL))) - return -1; + dev = kzalloc(sizeof(struct hidraw), GFP_KERNEL); + if (!dev) + return -ENOMEM; + + result = -EINVAL; spin_lock(&minors_lock); @@ -305,8 +308,10 @@ int hidraw_connect(struct hid_device *hid) spin_unlock(&minors_lock); - if (result) + if (result) { + kfree(dev); goto out; + } dev->dev = device_create(hidraw_class, NULL, MKDEV(hidraw_major, minor), "%s%d", "hidraw", minor); @@ -316,6 +321,7 @@ int hidraw_connect(struct hid_device *hid) hidraw_table[minor] = NULL; spin_unlock(&minors_lock); result = PTR_ERR(dev->dev); + kfree(dev); goto out; } -- cgit v1.2.3