This allows compilation of compat-wireless-old on 2.6.22 kernel. I suspect
some drivers don't work despite they compile, though.
Signed-off-by: Jiri Benc <jbenc@xxxxxxx>
---
config.mk | 4 +++-
drivers/net/wireless/libertas/if_usb.c | 2 ++
include/net/compat.h | 17 +++++++++++++++++
net/mac80211/wme.c | 2 +-
4 files changed, 23 insertions(+), 2 deletions(-)
--- cw.orig/config.mk
+++ cw/config.mk
@@ -27,7 +27,6 @@ CONFIG_MAC80211=m
ifeq ($(shell test -e $(KLIB_BUILD)/Makefile && echo yes),yes)
KERNEL_SUBLEVEL = $(shell $(MAKE) -C $(KLIB_BUILD) kernelversion | sed -n 's/^2\.6\.\([0-9]\+\).*/\1/p')
ifeq ($(shell test $(KERNEL_SUBLEVEL) -lt 23 && echo yes),yes)
-$(error "ERROR: There is a bug with compat-wireless on 2.6.22. Remove me if you want to fix me")
CONFIG_MAC80211_QOS=y
else
@@ -154,7 +153,10 @@ CONFIG_P54_PCI=m
CONFIG_SSB_PCIHOST=y
CONFIG_SSB_DRIVER_PCICORE=y
CONFIG_SSB_B43_PCI_BRIDGE=y
+ifeq ($(shell test $(KERNEL_SUBLEVEL) -gt 22 && echo yes),yes)
+# b44 is not ported to 2.6.22
CONFIG_B44=m
+endif
CONFIG_RTL8180=m
CONFIG_ADM8211=m
--- cw.orig/drivers/net/wireless/libertas/if_usb.c
+++ cw/drivers/net/wireless/libertas/if_usb.c
@@ -947,7 +947,9 @@ static struct usb_driver if_usb_driver =
.id_table = if_usb_table,
.suspend = if_usb_suspend,
.resume = if_usb_resume,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23))
.reset_resume = if_usb_resume,
+#endif
};
static int __init if_usb_init_module(void)
--- cw.orig/include/net/compat.h
+++ cw/include/net/compat.h
@@ -33,6 +33,7 @@
#include <net/arp.h>
#include <net/neighbour.h>
+#include <net/pkt_sched.h>
#include <linux/compat_autoconf.h>
@@ -173,6 +174,22 @@ static inline int netif_is_multiqueue(co
return (!!(NETIF_F_MULTI_QUEUE & dev->features));
}
+/* 2.6.23 fixed a bug in tcf_destroy_chain and the parameter changed */
+static inline void tcf_destroy_chain_compat(struct tcf_proto **fl)
+{
+ struct tcf_proto *tp;
+
+ while ((tp = *fl) != NULL) {
+ *fl = tp->next;
+ tp->ops->destroy(tp);
+ module_put(tp->ops->owner);
+ kfree(tp);
+ }
+}
+
+#else
+
+#define tcf_destroy_chain_compat tcf_destroy_chain
#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)) */
--- cw.orig/net/mac80211/wme.c
+++ cw/net/mac80211/wme.c
@@ -310,7 +310,7 @@ static void wme_qdiscop_destroy(struct Q
struct ieee80211_hw *hw = &local->hw;
int queue;
- tcf_destroy_chain(&q->filter_list);
+ tcf_destroy_chain_compat(&q->filter_list);
for (queue = 0; queue < QD_NUM(hw); queue++) {
skb_queue_purge(&q->requeued[queue]);
--
Jiri Benc
SUSE Labs
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