This commit fixes a corner case when length < first_read. which would
cause the last argument of xemaclite_alignedread to be a very large
unsigned integer, resulting in an underflow
Signed-off-by: Tianrui Wei <tianrui-...@outlook.com>
---
drivers/net/xilinx_emaclite.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index 43fc36dc6a..3b8f0f4678 100644
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -526,7 +526,7 @@ try_again:
}
/* Read the rest of the packet which is longer then first read */
- if (length != first_read)
+ if (length >= first_read)
xemaclite_alignedread(addr + first_read,
etherrxbuff + first_read,
length - first_read);
--
2.34.1
