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-rw-r--r--net/irda/irnet/irnet_ppp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c
index 7c567b8aa89..2bb2beb6a37 100644
--- a/net/irda/irnet/irnet_ppp.c
+++ b/net/irda/irnet/irnet_ppp.c
@@ -105,6 +105,9 @@ irnet_ctrl_write(irnet_socket * ap,
while(isspace(start[length - 1]))
length--;
+ DABORT(length < 5 || length > NICKNAME_MAX_LEN + 5,
+ -EINVAL, CTRL_ERROR, "Invalid nickname.\n");
+
/* Copy the name for later reuse */
memcpy(ap->rname, start + 5, length - 5);
ap->rname[length - 5] = '\0';