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path: root/drivers/nfc/pn533.c
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Diffstat (limited to 'drivers/nfc/pn533.c')
-rw-r--r--drivers/nfc/pn533.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index bb3d5ea9869c..001c12867e43 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -1250,6 +1250,9 @@ static bool pn533_target_type_a_is_valid(struct pn533_target_type_a *type_a,
if (PN533_TYPE_A_SEL_CASCADE(type_a->sel_res) != 0)
return false;
+ if (type_a->nfcid_len > NFC_NFCID1_MAXSIZE)
+ return false;
+
return true;
}