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Merge branch 'bugfix/btdm_gatts_write_desc_error' into 'master'

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component/bt:fixed the write ccc crash bug error

fix the gatt server write ccc lead to the system crash if not initialize the ccc value.

See merge request !515
This commit is contained in:
Ivan Grokhotkov 2017-02-24 15:11:18 +08:00
commit 708539c559
1 changed files with 6 additions and 3 deletions
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9
components/bt/bluedroid/stack/gatt/gatt_db.c
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@ -597,11 +597,14 @@ UINT16 gatts_add_char_descr (tGATT_SVC_DB *p_db, tGATT_PERM perm,
}
p_char_dscptr->p_value->attr_val.attr_len = attr_val->attr_len;
p_char_dscptr->p_value->attr_val.attr_max_len = attr_val->attr_max_len;
if (attr_val->attr_val != NULL) {
if (attr_val->attr_max_len != 0) {
p_char_dscptr->p_value->attr_val.attr_val = GKI_getbuf(attr_val->attr_max_len);
if (p_char_dscptr->p_value->attr_val.attr_val != NULL) {
memset(p_char_dscptr->p_value->attr_val.attr_val, 0, attr_val->attr_max_len);
memcpy(p_char_dscptr->p_value->attr_val.attr_val, attr_val->attr_val, attr_val->attr_len);
if(attr_val->attr_val != NULL) {
memcpy(p_char_dscptr->p_value->attr_val.attr_val,
attr_val->attr_val, attr_val->attr_len);
}
}
}
}
@ -873,7 +876,7 @@ tGATT_STATUS gatts_write_attr_value_by_handle(tGATT_SVC_DB *p_db,
}
if (p_attr->p_value != NULL && (p_attr->p_value->attr_val.attr_max_len >=
offset + len)) {
offset + len) && p_attr->p_value->attr_val.attr_val != NULL) {
memcpy(p_attr->p_value->attr_val.attr_val + offset, p_value, len);
p_attr->p_value->attr_val.attr_len = len + offset;
return GATT_SUCCESS;