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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-11-17 14:32:57 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-11-17 14:32:57 +0100
commit3975797f3e72bd115c6ba80210c5fe65ebd9e14e (patch)
treef2fa6fe843d9d0d458f5455b3852960439572913 /net/bluetooth/hci_request.c
parent78424c927cf194e2eb689b7871780e9182bd8c13 (diff)
parentb7c0e47d98249c2ddf21ea197b651093c6aaee00 (diff)
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued
Tvrtko needs commit b3c11ac267d461d3d597967164ff7278a919a39f Author: Eric Engestrom <eric@engestrom.ch> Date: Sat Nov 12 01:12:56 2016 +0000 drm: move allocation out of drm_get_format_name() to be able to apply his patches without conflicts. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'net/bluetooth/hci_request.c')
-rw-r--r--net/bluetooth/hci_request.c49
1 files changed, 23 insertions, 26 deletions
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index e2288421fe6b..1015d9c8d97d 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -969,41 +969,38 @@ void __hci_req_enable_advertising(struct hci_request *req)
hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
}
-static u8 append_local_name(struct hci_dev *hdev, u8 *ptr, u8 ad_len)
+u8 append_local_name(struct hci_dev *hdev, u8 *ptr, u8 ad_len)
{
- size_t complete_len;
size_t short_len;
- int max_len;
-
- max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
- complete_len = strlen(hdev->dev_name);
- short_len = strlen(hdev->short_name);
-
- /* no space left for name */
- if (max_len < 1)
- return ad_len;
+ size_t complete_len;
- /* no name set */
- if (!complete_len)
+ /* no space left for name (+ NULL + type + len) */
+ if ((HCI_MAX_AD_LENGTH - ad_len) < HCI_MAX_SHORT_NAME_LENGTH + 3)
return ad_len;
- /* complete name fits and is eq to max short name len or smaller */
- if (complete_len <= max_len &&
- complete_len <= HCI_MAX_SHORT_NAME_LENGTH) {
+ /* use complete name if present and fits */
+ complete_len = strlen(hdev->dev_name);
+ if (complete_len && complete_len <= HCI_MAX_SHORT_NAME_LENGTH)
return eir_append_data(ptr, ad_len, EIR_NAME_COMPLETE,
- hdev->dev_name, complete_len);
- }
+ hdev->dev_name, complete_len + 1);
- /* short name set and fits */
- if (short_len && short_len <= max_len) {
+ /* use short name if present */
+ short_len = strlen(hdev->short_name);
+ if (short_len)
return eir_append_data(ptr, ad_len, EIR_NAME_SHORT,
- hdev->short_name, short_len);
- }
+ hdev->short_name, short_len + 1);
- /* no short name set so shorten complete name */
- if (!short_len) {
- return eir_append_data(ptr, ad_len, EIR_NAME_SHORT,
- hdev->dev_name, max_len);
+ /* use shortened full name if present, we already know that name
+ * is longer then HCI_MAX_SHORT_NAME_LENGTH
+ */
+ if (complete_len) {
+ u8 name[HCI_MAX_SHORT_NAME_LENGTH + 1];
+
+ memcpy(name, hdev->dev_name, HCI_MAX_SHORT_NAME_LENGTH);
+ name[HCI_MAX_SHORT_NAME_LENGTH] = '\0';
+
+ return eir_append_data(ptr, ad_len, EIR_NAME_SHORT, name,
+ sizeof(name));
}
return ad_len;