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authorPatrick McHardy <kaber@trash.net>2005-04-21 20:12:32 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2005-04-21 20:12:32 -0700
commit5c5d281a93e9816966b6131ccec19519dab0e103 (patch)
treea897ec464a600d7a678052bfd5e52378470a45fe /net
parent7938109fff944e0117976a39946d99d2b0b0250d (diff)
downloadop-kernel-dev-5c5d281a93e9816966b6131ccec19519dab0e103.zip
op-kernel-dev-5c5d281a93e9816966b6131ccec19519dab0e103.tar.gz
[XFRM]: Fix existence lookup in xfrm_state_find
Use 'daddr' instead of &tmpl->id.daddr, since the latter might be zero. Also, only perform the lookup when tmpl->id.spi is non-zero. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/xfrm/xfrm_state.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 1db59f1..d11747c 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -357,8 +357,9 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
x = best;
if (!x && !error && !acquire_in_progress) {
- x0 = afinfo->state_lookup(&tmpl->id.daddr, tmpl->id.spi, tmpl->id.proto);
- if (x0 != NULL) {
+ if (tmpl->id.spi &&
+ (x0 = afinfo->state_lookup(daddr, tmpl->id.spi,
+ tmpl->id.proto)) != NULL) {
xfrm_state_put(x0);
error = -EEXIST;
goto out;
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