在 2021/5/6 上午5:10, Philippe Mathieu-Daudé 写道:
The compiler isn't clever enough to figure 'min_buf_size' is a constant, so help it by using a definitions instead. Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
Acked-by: Jason Wang <[email protected]>
--- hw/net/e1000e_core.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c index b75f2ab8fc1..4b1d4521a50 100644 --- a/hw/net/e1000e_core.c +++ b/hw/net/e1000e_core.c @@ -1621,15 +1621,16 @@ e1000e_rx_fix_l4_csum(E1000ECore *core, struct NetRxPkt *pkt) } }+/* Min. octets in an ethernet frame sans FCS */+#define MIN_BUF_SIZE 60 + ssize_t e1000e_receive_iov(E1000ECore *core, const struct iovec *iov, int iovcnt) { static const int maximum_ethernet_hdr_len = (14 + 4); - /* Min. octets in an ethernet frame sans FCS */ - static const int min_buf_size = 60;uint32_t n = 0;- uint8_t min_buf[min_buf_size]; + uint8_t min_buf[MIN_BUF_SIZE]; struct iovec min_iov; uint8_t *filter_buf; size_t size, orig_size;
