X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Farm%2Fdrv%2Feth_at91.c;h=529d7af4e5473b51045ef1ec435e108abc9edc7a;hb=f248bd5d8be37c741ef62386d82e4975723e09c3;hp=5d365b20ae712b720c8a7d43816b300fd0cf52de;hpb=bf9202ba50abb9b9a107d5f3a672699a969dbcbf;p=bertos.git

diff --git a/bertos/cpu/arm/drv/eth_at91.c b/bertos/cpu/arm/drv/eth_at91.c
index 5d365b20..529d7af4 100644
--- a/bertos/cpu/arm/drv/eth_at91.c
+++ b/bertos/cpu/arm/drv/eth_at91.c
@@ -425,7 +425,11 @@ ssize_t eth_getFrame(uint8_t *buf, size_t len)
 			rd_len += EMAC_RX_BUFSIZ;
 		else
 			rd_len += len - rd_len;
-		ASSERT(rx_buf_tab[rx_buf_idx].addr & RXBUF_OWNERSHIP);
+		if (UNLIKELY(!(rx_buf_tab[rx_buf_idx].addr & RXBUF_OWNERSHIP)))
+		{
+			LOG_INFO("bad frame found\n");
+			return 0;
+		}
 		rx_buf_tab[rx_buf_idx].addr &= ~RXBUF_OWNERSHIP;
 		if (++rx_buf_idx >= EMAC_RX_DESCRIPTORS)
 			rx_buf_idx = 0;