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authorBalbir Singh <balbir@in.ibm.com>2006-09-30 23:28:53 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-01 00:39:29 -0700
commit0ae646845b603e9df5711084436d389f8371ffb3 (patch)
tree1554ba465812cc10c10b9bd28020a34effe0d8d4
parent17db952cd16cecc76937b138c685ae3d198ab17c (diff)
[PATCH] Fix taskstats size calculation (use the new genetlink utility functions)
The addition of the CSA patch pushed the size of struct taskstats to 256 bytes. This exposed a problem with prepare_reply(), we were not allocating space for the netlink and genetlink header. It worked earlier because alloc_skb() would align the skb to SMP_CACHE_BYTES, which added some additonal bytes. Signed-off-by: Balbir Singh <balbir@in.ibm.com> Cc: Jamal Hadi <hadi@cyberus.ca> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Thomas Graf <tgraf@suug.ch> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jay Lan <jlan@engr.sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--kernel/taskstats.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index 2ed4040d0dc..c451af2ddb5 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -75,7 +75,7 @@ static int prepare_reply(struct genl_info *info, u8 cmd, struct sk_buff **skbp,
/*
* If new attributes are added, please revisit this allocation
*/
- skb = nlmsg_new(size, GFP_KERNEL);
+ skb = nlmsg_new(genlmsg_total_size(size), GFP_KERNEL);
if (!skb)
return -ENOMEM;