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Diffstat (limited to 'net/nfc/nci/ntf.c')
-rw-r--r--net/nfc/nci/ntf.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c
index 33e1170817f0..f8b20cddd5c9 100644
--- a/net/nfc/nci/ntf.c
+++ b/net/nfc/nci/ntf.c
@@ -218,6 +218,8 @@ static int nci_add_new_protocol(struct nci_dev *ndev,
target->sens_res = nfca_poll->sens_res;
target->sel_res = nfca_poll->sel_res;
target->nfcid1_len = nfca_poll->nfcid1_len;
+ if (target->nfcid1_len > ARRAY_SIZE(target->nfcid1))
+ return -EPROTO;
if (target->nfcid1_len > 0) {
memcpy(target->nfcid1, nfca_poll->nfcid1,
target->nfcid1_len);
@@ -226,6 +228,8 @@ static int nci_add_new_protocol(struct nci_dev *ndev,
nfcb_poll = (struct rf_tech_specific_params_nfcb_poll *)params;
target->sensb_res_len = nfcb_poll->sensb_res_len;
+ if (target->sensb_res_len > ARRAY_SIZE(target->sensb_res))
+ return -EPROTO;
if (target->sensb_res_len > 0) {
memcpy(target->sensb_res, nfcb_poll->sensb_res,
target->sensb_res_len);
@@ -234,6 +238,8 @@ static int nci_add_new_protocol(struct nci_dev *ndev,
nfcf_poll = (struct rf_tech_specific_params_nfcf_poll *)params;
target->sensf_res_len = nfcf_poll->sensf_res_len;
+ if (target->sensf_res_len > ARRAY_SIZE(target->sensf_res))
+ return -EPROTO;
if (target->sensf_res_len > 0) {
memcpy(target->sensf_res, nfcf_poll->sensf_res,
target->sensf_res_len);