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[ICMP]: Add return code to icmp_init.

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icmp_init could fail and this is normal for namespace other than initial.
So, the panic should be triggered only on init_net initialization path.

Additionally create rollback path for icmp_init as a separate function.
It will also be used later during namespace destruction.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-02-29 11:14:50 -08:00 • committed by David S. Miller
parent 9b0f976f27
commit a5710d6582
3 changed files with 25 additions and 6 deletions
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2
include/net/icmp.h
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@ -48,7 +48,7 @@ struct sk_buff;
extern void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info);
extern int icmp_rcv(struct sk_buff *skb);
extern int icmp_ioctl(struct sock *sk, int cmd, unsigned long arg);
extern void icmp_init(void);
extern int icmp_init(void);
extern void icmp_out_count(unsigned char type);
/* Move into dst.h ? */