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authorJakub Kicinski <kuba@kernel.org>2021-10-15 02:50:14 +0300
committerJakub Kicinski <kuba@kernel.org>2021-10-15 02:50:14 +0300
commite15f5972b8031f9069f41e24adff63bd34463b3a (patch)
treed31c80ea86df9cdd9f8189dc2a89603aac57402f /drivers/isdn/capi/kcapi.c
parent8b017fbe0bbb98dd71fb4850f6b9cc0e136a26b8 (diff)
parentec681c53f8d2d0ee362ff67f5b98dd8263c15002 (diff)
downloadlinux-e15f5972b8031f9069f41e24adff63bd34463b3a.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
tools/testing/selftests/net/ioam6.sh 7b1700e009cc ("selftests: net: modify IOAM tests for undef bits") bf77b1400a56 ("selftests: net: Test for the IOAM encapsulation with IPv6") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/isdn/capi/kcapi.c')
-rw-r--r--drivers/isdn/capi/kcapi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index cb0afe897162..7313454e403a 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -480,6 +480,11 @@ int detach_capi_ctr(struct capi_ctr *ctr)
ctr_down(ctr, CAPI_CTR_DETACHED);
+ if (ctr->cnr < 1 || ctr->cnr - 1 >= CAPI_MAXCONTR) {
+ err = -EINVAL;
+ goto unlock_out;
+ }
+
if (capi_controller[ctr->cnr - 1] != ctr) {
err = -EINVAL;
goto unlock_out;