sctp: fix SSN comparision

This function actually operates on u32 yet its paramteres were declared as u16, causing integer truncation upon calling. Note in patch context that ADDIP_SERIAL_SIGN_BIT is already 32 bits. Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Acked-by: Neil Horman <[email protected]> Signed-off-by: David S. Miller <[email protected]>
josf · Sep 17, 2016 · 4496195 · 4496195
1 parent 8ab86c0
commit 4496195
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
@@ -382,7 +382,7 @@ enum {
 	ADDIP_SERIAL_SIGN_BIT = (1<<31)
 };
 
-static inline int ADDIP_SERIAL_gte(__u16 s, __u16 t)
+static inline int ADDIP_SERIAL_gte(__u32 s, __u32 t)
 {
 	return ((s) == (t)) || (((t) - (s)) & ADDIP_SERIAL_SIGN_BIT);
 }