make features string more readable, add space every 8bit.
example:
00101010 01110000 00000000 00001100
Signed-off-by: weiping zhang <zhangweiping@xxxxxxxxxxxxxxx>
---
drivers/virtio/virtio.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 59e36ef..d7d2db1 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -50,9 +50,12 @@ static ssize_t features_show(struct device *_d,
/* We actually represent this as a bitstring, as it could be
* arbitrary length in future. */
- for (i = 0; i < sizeof(dev->features)*8; i++)
- len += sprintf(buf+len, "%c",
+ for (i = 0; i < sizeof(dev->features) * 8; i++) {
+ len += sprintf(buf + len, "%c",
__virtio_test_bit(dev, i) ? '1' : '0');
+ if (i % 8 == 7)
+ len += sprintf(buf + len, " ");
+ }
len += sprintf(buf+len, "\n");
return len;
}
--
2.9.4
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