[dpdk-stable] [PATCH] rib: fix the IPv6 depth mask
Vladimir Medvedkin
vladimir.medvedkin at intel.com
Mon Sep 6 17:54:32 CEST 2021
Fixes: 03b8372a9a73 ("rib: fix max depth IPv6 lookup")
Cc: ohilyard at iol.unh.edu
Cc: stable at dpdk.org
Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin at intel.com>
---
lib/rib/rte_rib6.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/rib/rte_rib6.c b/lib/rib/rte_rib6.c
index 96424e9..b00c7fb 100644
--- a/lib/rib/rte_rib6.c
+++ b/lib/rib/rte_rib6.c
@@ -88,7 +88,7 @@ get_dir(const uint8_t ip[RTE_RIB6_IPV6_ADDR_SIZE], uint8_t depth)
* is incremented in blocks of 8 (1 byte). This means the last
* 3 bits are irrelevant to what the index of ip should be.
*/
- index = (depth & (UINT8_MAX - 1)) / CHAR_BIT;
+ index = (depth & INT8_MAX) / CHAR_BIT;
/*
* msk is the bitmask used to extract the bit used to decide the
--
2.7.4
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