The data pointer provided to hci_recv_stream_fragment function should
have been marked const. The function has no business in modifying the
original data. So fix this now.
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
---
include/net/bluetooth/hci_core.h | 2 +-
net/bluetooth/hci_core.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 93fd3e756b8a..ad957f336ead 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1012,7 +1012,7 @@ int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
-int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
+int hci_recv_stream_fragment(struct hci_dev *hdev, const void *data, int count);
void hci_init_sysfs(struct hci_dev *hdev);
void hci_conn_init_sysfs(struct hci_conn *conn);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 46b114c0140b..c9e7cafb245a 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3320,7 +3320,7 @@ int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb)
}
EXPORT_SYMBOL(hci_recv_frame);
-static int hci_reassembly(struct hci_dev *hdev, int type, void *data,
+static int hci_reassembly(struct hci_dev *hdev, int type, const void *data,
int count, __u8 index)
{
int len = 0;
@@ -3430,7 +3430,7 @@ static int hci_reassembly(struct hci_dev *hdev, int type, void *data,
#define STREAM_REASSEMBLY 0
-int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count)
+int hci_recv_stream_fragment(struct hci_dev *hdev, const void *data, int count)
{
int type;
int rem = 0;
@@ -3439,7 +3439,7 @@ int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count)
struct sk_buff *skb = hdev->reassembly[STREAM_REASSEMBLY];
if (!skb) {
- struct { char type; } *pkt;
+ const struct { char type; } *pkt;
/* Start of the frame */
pkt = data;
--
2.1.0
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