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Bluetooth: host: Fix endianness issue in reading CPF descriptor

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Fix endianness issue in reading CPF descriptor not converting from
native endianess to little-endian on the 'unit' and 'description'
fields.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
This commit is contained in:
Joakim Andersson 2021-02-19 16:29:26 +01:00 • committed by Carles Cufí
commit 84dffe5b3c
2 changed files with 19 additions and 4 deletions
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21
subsys/bluetooth/host/gatt.c
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@ -1722,14 +1722,29 @@ ssize_t bt_gatt_attr_read_cud(struct bt_conn *conn,
strlen(value));
}
struct gatt_cpf {
uint8_t format;
int8_t exponent;
uint16_t unit;
uint8_t name_space;
uint16_t description;
} __packed;
ssize_t bt_gatt_attr_read_cpf(struct bt_conn *conn,
const struct bt_gatt_attr *attr, void *buf,
uint16_t len, uint16_t offset)
{
const struct bt_gatt_cpf *value = attr->user_data;
const struct bt_gatt_cpf *cpf = attr->user_data;
struct gatt_cpf value;
return bt_gatt_attr_read(conn, attr, buf, len, offset, value,
sizeof(*value));
value.format = cpf->format;
value.exponent = cpf->exponent;
value.unit = sys_cpu_to_le16(cpf->unit);
value.name_space = cpf->name_space;
value.description = sys_cpu_to_le16(cpf->description);
return bt_gatt_attr_read(conn, attr, buf, len, offset, &value,
sizeof(value));
}
struct notify_data {