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Use netdev_notifier_info_to_dev(), needed for Linux 3.11+ 

Not using netdev_notifier_info_to_dev() gives no compile warnings but
crashes the kernel, so this patch is intentionally applied before Linux
3.10 procfs support is enabled to avoid a revision that compiles and
crashes on new kernels.
This commit is contained in:
Pavel Roskin 2013-11-08 16:42:54 -05:00
parent 0196108e9c
commit f83c3d758e
3 changed files with 6 additions and 2 deletions
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2
ath/if_ath.c
View File

@ -12359,7 +12359,7 @@ static int
ath_rcv_dev_event(struct notifier_block *this, unsigned long event,
void *ptr)
{
struct net_device *dev = (struct net_device *)ptr;
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct ath_softc *sc = (struct ath_softc *)netdev_priv(dev);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)

4
include/compat.h
View File

@ -242,6 +242,10 @@ typedef unsigned long resource_size_t;
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
#define netdev_notifier_info_to_dev(ptr) ((struct net_device *)(ptr))
#endif
#endif /* __KERNEL__ */
#endif /* _ATH_COMPAT_H_ */

2
net80211/ieee80211_linux.c
View File

@ -1186,7 +1186,7 @@ static int
ieee80211_rcv_dev_event(struct notifier_block *this, unsigned long event,
void *ptr)
{
struct net_device *dev = (struct net_device *)ptr;
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
if (!dev || dev->open != &ieee80211_open)