| Message ID | SY4PR01MB67987E3CF6AC3E274667CE51F6149@SY4PR01MB6798.ausprd01.prod.outlook.com |
|---|---|
| State | Deferred |
| Delegated to: | Tom Rini |
| Headers | show
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net: emaclite: fix possible underflow bug
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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);
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. Signed-off-by: Tianrui Wei <tianrui-wei@outlook.com> --- drivers/net/xilinx_emaclite.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)