Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b16be51b5e5d75cec71b18ebc75f15a4734c62ad
Commit: b16be51b5e5d75cec71b18ebc75f15a4734c62ad
Parent: d52de17b8cf36d43a9d6977e7861a9f415541c6b
Author: Gerrit Renker <[EMAIL PROTECTED]>
AuthorDate: Tue Mar 20 13:03:47 2007 -0300
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Apr 25 22:26:45 2007 -0700
[DCCP]: Fix for follows48
The follows48 relation identifies whether 48-bit sequence number
x is the direct successor of y. Currently, it does not handle cases
of the following type correctly:
follows48(0x(prefix)10000LL, 0x(prefix)0FFFFLL)
where prefix is an arbitrary hex sequence of up to 7 digits.
This is fixed by reusing the new dccp_delta_seqno function.
Signed-off-by: Gerrit Renker <[EMAIL PROTECTED]>
Acked-by: Ian McDonald <[EMAIL PROTECTED]>
Signed-off-by: Arnaldo Carvalho de Melo <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
net/dccp/dccp.h | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 1615986..c66a458 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -144,9 +144,7 @@ static inline u64 max48(const u64 seq1, const u64 seq2)
/* is seq1 next seqno after seq2 */
static inline int follows48(const u64 seq1, const u64 seq2)
{
- int diff = (seq1 & 0xFFFF) - (seq2 & 0xFFFF);
-
- return diff==1;
+ return dccp_delta_seqno(seq2, seq1) == 1;
}
enum {
-
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