First part of the kfifo backport.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
patches/19-kfifo.patch | 47 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 47 insertions(+), 0 deletions(-)
create mode 100644 patches/19-kfifo.patch
diff --git a/patches/19-kfifo.patch b/patches/19-kfifo.patch
new file mode 100644
index 0000000..d59f76e
--- /dev/null
+++ b/patches/19-kfifo.patch
@@ -0,0 +1,47 @@
+These parts of the new generic kernel FIFO implementation (kfifo) can
+not be backported easily with defines in the compat module.
+
+--- a/drivers/net/wireless/libertas/dev.h
++++ b/drivers/net/wireless/libertas/dev.h
+@@ -119,7 +119,11 @@ struct lbs_private {
+ u32 resp_len[2];
+
+ /* Events sent from hardware to driver */
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
+ struct kfifo event_fifo;
++#else
++ struct kfifo *event_fifo;
++#endif
+
+ /** thread to service interrupts */
+ struct task_struct *main_thread;
+--- a/drivers/net/wireless/libertas/main.c
++++ b/drivers/net/wireless/libertas/main.c
+@@ -872,8 +872,14 @@ static int lbs_init_adapter(struct lbs_private *priv)
+ priv->resp_len[0] = priv->resp_len[1] = 0;
+
+ /* Create the event FIFO */
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
+ ret = kfifo_alloc(&priv->event_fifo, sizeof(u32) * 16, GFP_KERNEL);
+ if (ret) {
++#else
++ priv->event_fifo = kfifo_alloc(sizeof(u32) * 16, GFP_KERNEL, NULL);
++ if (IS_ERR(priv->event_fifo)) {
++ ret = -ENOMEM;
++#endif
+ lbs_pr_err("Out of memory allocating event FIFO buffer\n");
+ goto out;
+ }
+@@ -889,7 +895,12 @@ static void lbs_free_adapter(struct lbs_private *priv)
+ lbs_deb_enter(LBS_DEB_MAIN);
+
+ lbs_free_cmd_buffer(priv);
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
+ kfifo_free(&priv->event_fifo);
++#else
++ if (priv->event_fifo)
++ kfifo_free(priv->event_fifo);
++#endif
+ del_timer(&priv->command_timer);
+ del_timer(&priv->auto_deepsleep_timer);
+ kfree(priv->networks);
--
1.6.3.3
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