openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[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>
This commit is contained in:
Patrick McHardy 2005-04-21 20:12:32 -07:00 committed by David S. Miller
parent 7938109fff
commit 5c5d281a93
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
net/xfrm/xfrm_state.c
View File

@ -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;