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authorJeff Dike <jdike@addtoit.com>2007-02-10 01:43:56 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-11 10:51:21 -0800
commitd3b7f69de2b92e4b6057d81e6c52f629a8663368 (patch)
treead2ba9ef0cf024b3341b5eaf67929ee82b71701b /arch/um/include
parent190c3e456325942a17785332fe15b68eeb3775ca (diff)
[PATCH] uml: add locking to network transport registration
The registration of host network transports needed some locking. The transport list itself is locked, but calls to the registration routines are not. This is compensated for by checking that a transport structure is not yet on any list. I also took the opportunity to const all fields in the transport structure except the list, which obviously can be modified. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/include')
-rw-r--r--arch/um/include/net_kern.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/um/include/net_kern.h b/arch/um/include/net_kern.h
index 218f8b47fdc..92f76d82a6e 100644
--- a/arch/um/include/net_kern.h
+++ b/arch/um/include/net_kern.h
@@ -52,12 +52,12 @@ struct net_kern_info {
struct transport {
struct list_head list;
- char *name;
- int (*setup)(char *, char **, void *);
+ const char *name;
+ int (* const setup)(char *, char **, void *);
const struct net_user_info *user;
const struct net_kern_info *kern;
- int private_size;
- int setup_size;
+ const int private_size;
+ const int setup_size;
};
extern struct net_device *ether_init(int);