Signed-off-by: Antony Pavlov <antonynpavlov@xxxxxxxxx> --- fs/tftp.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/fs/tftp.c b/fs/tftp.c index d970c60..e36c1c8 100644 --- a/fs/tftp.c +++ b/fs/tftp.c @@ -259,7 +259,8 @@ static void tftp_recv(struct file_priv *priv, uint16_t proto; uint16_t *s; - if (len < 2) + /* according to RFC1350 minimal tftp packet length is 4 bytes */ + if (len < 4) return; len -= 2; @@ -315,8 +316,6 @@ static void tftp_recv(struct file_priv *priv, break; case TFTP_DATA: - if (len < 2) - return; len -= 2; priv->block = ntohs(*(uint16_t *)pkt); -- 2.1.4 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
