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| author |   Hans de Goede <hdegoede@redhat.com> | 2019-04-20 13:22:06 +0200 |
|---|---|---|
| committer |   Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2019-04-23 18:02:43 +0200 |
| commit | 22bf6bdef4a1d551fdaebbe8247e57569ea07b6a (patch) | |
| tree | db4cc1cbdfc62cb5bf688cc83491d95535b43510 /drivers/hid/hid-logitech-hidpp.c | |
| parent | HID: logitech-hidpp: make .probe usbhid capable (diff) | |
| download | linux-dev-22bf6bdef4a1d551fdaebbe8247e57569ea07b6a.tar.xz linux-dev-22bf6bdef4a1d551fdaebbe8247e57569ea07b6a.zip | |
HID: logitech-hidpp: ignore very-short or empty names
Some devices report an empty or very short name, in this case stick
with the name generated by the logitech-dj code instead of overriding it
with e.g. "Logitech ".
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Diffstat (limited to 'drivers/hid/hid-logitech-hidpp.c')
| -rw-r--r-- | drivers/hid/hid-logitech-hidpp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index b389fcc1a894..e7f082374943 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -741,6 +741,9 @@ static char *hidpp_unifying_get_name(struct hidpp_device *hidpp_dev) if (2 + len > sizeof(response.rap.params)) return NULL; + if (len < 4) /* logitech devices are usually at least Xddd */ + return NULL; + name = kzalloc(len + 1, GFP_KERNEL); if (!name) return NULL; |