Revision 3a10ba8c6b68d9b7f519cd25f903be2d43b37d9d authored by Rob Clark on 08 September 2014, 18:24:57 UTC, committed by Rob Clark on 11 September 2014, 10:49:21 UTC
If VRAM carveout is used, due to no IOMMU, we should have a default value for msm.vram so that we don't simply crash. Reported-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
1 parent 28a38b6
ip6_icmp.c
#include <linux/export.h>
#include <linux/icmpv6.h>
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/spinlock.h>
#include <net/ipv6.h>
#if IS_ENABLED(CONFIG_IPV6)
static ip6_icmp_send_t __rcu *ip6_icmp_send;
int inet6_register_icmp_sender(ip6_icmp_send_t *fn)
{
return (cmpxchg((ip6_icmp_send_t **)&ip6_icmp_send, NULL, fn) == NULL) ?
0 : -EBUSY;
}
EXPORT_SYMBOL(inet6_register_icmp_sender);
int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn)
{
int ret;
ret = (cmpxchg((ip6_icmp_send_t **)&ip6_icmp_send, fn, NULL) == fn) ?
0 : -EINVAL;
synchronize_net();
return ret;
}
EXPORT_SYMBOL(inet6_unregister_icmp_sender);
void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
{
ip6_icmp_send_t *send;
rcu_read_lock();
send = rcu_dereference(ip6_icmp_send);
if (!send)
goto out;
send(skb, type, code, info);
out:
rcu_read_unlock();
}
EXPORT_SYMBOL(icmpv6_send);
#endif
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