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inet: Sanitize inet{,6} protocol demux.

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Don't pretend that inet_protos[] and inet6_protos[] are hashes, thay
are just a straight arrays.  Remove all unnecessary hash masking.

Document MAX_INET_PROTOS.

Use RAW_HTABLE_SIZE when appropriate.

Reported-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-06-19 18:56:21 -07:00
parent 677a3d60fb
commit f9242b6b28
9 changed files with 37 additions and 48 deletions
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7
include/net/protocol.h
View file

@ -29,8 +29,11 @@
#include <linux/ipv6.h>
#endif
#define MAX_INET_PROTOS 256 /* Must be a power of 2 */
/* This is one larger than the largest protocol value that can be
* found in an ipv4 or ipv6 header. Since in both cases the protocol
* value is presented in a __u8, this is defined to be 256.
*/
#define MAX_INET_PROTOS 256
/* This is used to register protocols. */
struct net_protocol {