[PATCH BlueZ 1/2] hog: Fix potencial segfault when sending a output report
From: Vinicius Costa Gomes <hidden>
Date: 2012-11-23 19:08:28
Subsystem:
the rest · Maintainer:
Linus Torvalds
As UHID is not notified when the device is disconnected, it may be possible that an output report is forwarded when the device is not connected, one example, would be when the caps lock key is pressed on another keyboard. --- profiles/input/hog_device.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/profiles/input/hog_device.c b/profiles/input/hog_device.c
index d231e00..994437f 100644
--- a/profiles/input/hog_device.c
+++ b/profiles/input/hog_device.c@@ -573,6 +573,9 @@ static void forward_report(struct hog_device *hogdev, DBG("Sending report type %d to device 0x%04X handle 0x%X", type, hogdev->id, report->decl->value_handle); + if (hogdev->attrib == NULL) + return; + if (report->decl->properties & ATT_CHAR_PROPER_WRITE) gatt_write_char(hogdev->attrib, report->decl->value_handle, data, size, output_written_cb, hogdev);
--
1.8.0