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| author |   Mariusz Kozlowski <m.kozlowski@tuxland.pl> | 2007-09-27 11:24:55 +0200 |
|---|---|---|
| committer |   Jiri Kosina <jkosina@suse.cz> | 2007-10-14 14:47:26 +0200 |
| commit | 709d27c04f4eccbc99d57a5569bce028915a4345 (patch) | |
| tree | d7d95f51bb618f2e8559a83ea0418b7d8476e79b /drivers/hid | |
| parent | HID: add hidraw interface (diff) | |
| download | linux-dev-709d27c04f4eccbc99d57a5569bce028915a4345.tar.xz linux-dev-709d27c04f4eccbc99d57a5569bce028915a4345.zip | |
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 <m.kozlowski@tuxland.pl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hidraw.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 20ebba1032b8..8503197a8131 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; } |