The patch patches/collateral-evolutions/network/0050-iov_iter
/bluetooth.patch added memcpy_fromiovec unconditionally, but
memcpy_fromiovec() is not available in kernel 4.0 any more. This patch
adds the backport code only for older kernel versions.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
.../network/0050-iov_iter/bluetooth.patch | 38 +++++++++++++++-------
1 file changed, 27 insertions(+), 11 deletions(-)
diff --git a/patches/collateral-evolutions/network/0050-iov_iter/bluetooth.patch b/patches/collateral-evolutions/network/0050-iov_iter/bluetooth.patch
index aa6d528..8939638 100644
--- a/patches/collateral-evolutions/network/0050-iov_iter/bluetooth.patch
+++ b/patches/collateral-evolutions/network/0050-iov_iter/bluetooth.patch
@@ -1,20 +1,23 @@
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
-@@ -609,6 +609,10 @@ struct l2cap_ops {
+@@ -609,6 +609,12 @@ struct l2cap_ops {
struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan,
unsigned long hdr_len,
unsigned long len, int nb);
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ int (*memcpy_fromiovec) (struct l2cap_chan *chan,
+ unsigned char *kdata,
+ struct iovec *iov,
+ int len);
++#endif
};
struct l2cap_conn {
-@@ -902,6 +906,31 @@ static inline long l2cap_chan_no_get_snd
+@@ -902,6 +908,33 @@ static inline long l2cap_chan_no_get_snd
return 0;
}
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+static inline int l2cap_chan_no_memcpy_fromiovec(struct l2cap_chan *chan,
+ unsigned char *kdata,
+ struct iovec *iov,
@@ -39,6 +42,7 @@
+
+ return 0;
+}
++#endif
+
extern bool disable_ertm;
@@ -64,17 +68,19 @@
err = l2cap_chan_send(chan, &msg, skb->len);
if (err > 0) {
-@@ -1048,6 +1055,7 @@ static const struct l2cap_ops bt_6lowpan
+@@ -1048,6 +1055,9 @@ static const struct l2cap_ops bt_6lowpan
.suspend = chan_suspend_cb,
.get_sndtimeo = chan_get_sndtimeo_cb,
.alloc_skb = chan_alloc_skb_cb,
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ .memcpy_fromiovec = l2cap_chan_no_memcpy_fromiovec,
++#endif
.teardown = l2cap_chan_no_teardown,
.defer = l2cap_chan_no_defer,
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
-@@ -60,7 +60,12 @@ void a2mp_send(struct amp_mgr *mgr, u8 c
+@@ -62,7 +62,12 @@ static void a2mp_send(struct amp_mgr *mg
memset(&msg, 0, sizeof(msg));
@@ -87,17 +93,19 @@
l2cap_chan_send(chan, &msg, total_len);
-@@ -719,6 +724,7 @@ static const struct l2cap_ops a2mp_chan_
+@@ -738,6 +743,9 @@ static const struct l2cap_ops a2mp_chan_
.resume = l2cap_chan_no_resume,
.set_shutdown = l2cap_chan_no_set_shutdown,
.get_sndtimeo = l2cap_chan_no_get_sndtimeo,
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ .memcpy_fromiovec = l2cap_chan_no_memcpy_fromiovec,
++#endif
};
static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn, bool locked)
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
-@@ -2113,7 +2113,12 @@ static inline int l2cap_skbuff_fromiovec
+@@ -2120,7 +2120,12 @@ static inline int l2cap_skbuff_fromiovec
struct sk_buff **frag;
int sent = 0;
@@ -110,7 +118,7 @@
return -EFAULT;
sent += count;
-@@ -2133,8 +2138,13 @@ static inline int l2cap_skbuff_fromiovec
+@@ -2140,8 +2145,13 @@ static inline int l2cap_skbuff_fromiovec
*frag = tmp;
@@ -126,25 +134,29 @@
sent += count;
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
-@@ -1335,6 +1335,13 @@ static struct sk_buff *l2cap_sock_alloc_
+@@ -1335,6 +1335,15 @@ static struct sk_buff *l2cap_sock_alloc_
return skb;
}
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+static int l2cap_sock_memcpy_fromiovec_cb(struct l2cap_chan *chan,
+ unsigned char *kdata,
+ struct iovec *iov, int len)
+{
+ return memcpy_fromiovec(kdata, iov, len);
+}
++#endif
+
static void l2cap_sock_ready_cb(struct l2cap_chan *chan)
{
struct sock *sk = chan->data;
-@@ -1419,6 +1426,7 @@ static const struct l2cap_ops l2cap_chan
+@@ -1419,6 +1428,9 @@ static const struct l2cap_ops l2cap_chan
.set_shutdown = l2cap_sock_set_shutdown_cb,
.get_sndtimeo = l2cap_sock_get_sndtimeo_cb,
.alloc_skb = l2cap_sock_alloc_skb_cb,
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ .memcpy_fromiovec = l2cap_sock_memcpy_fromiovec_cb,
++#endif
};
static void l2cap_sock_destruct(struct sock *sk)
@@ -163,19 +175,23 @@
l2cap_chan_send(chan, &msg, 1 + len);
-@@ -2871,6 +2876,7 @@ static const struct l2cap_ops smp_chan_o
+@@ -2871,6 +2876,9 @@ static const struct l2cap_ops smp_chan_o
.suspend = l2cap_chan_no_suspend,
.set_shutdown = l2cap_chan_no_set_shutdown,
.get_sndtimeo = l2cap_chan_no_get_sndtimeo,
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ .memcpy_fromiovec = l2cap_chan_no_memcpy_fromiovec,
++#endif
};
static inline struct l2cap_chan *smp_new_conn_cb(struct l2cap_chan *pchan)
-@@ -2919,6 +2925,7 @@ static const struct l2cap_ops smp_root_c
+@@ -2919,6 +2927,9 @@ static const struct l2cap_ops smp_root_c
.resume = l2cap_chan_no_resume,
.set_shutdown = l2cap_chan_no_set_shutdown,
.get_sndtimeo = l2cap_chan_no_get_sndtimeo,
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
+ .memcpy_fromiovec = l2cap_chan_no_memcpy_fromiovec,
++#endif
};
static struct l2cap_chan *smp_add_cid(struct hci_dev *hdev, u16 cid)
--
1.9.1
--
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