[PATCH] xen/9pfs: use %d format specifier instead of %u for a signed int

[Colin King]

From: Colin Ian King <colin.k...@canonical.com>

variable i is a signed int, so use the %d print format specifier instead of
%u. Fixes two warnings by cppcheck.

Signed-off-by: Colin Ian King <colin.k...@canonical.com>
---
 net/9p/trans_xen.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c
index 47864245c0d4..9b66087bbc91 100644
--- a/net/9p/trans_xen.c
+++ b/net/9p/trans_xen.c
@@ -441,13 +441,13 @@ static int xen_9pfs_front_probe(struct xenbus_device *dev,
                char str[16];
 
                BUILD_BUG_ON(XEN_9PFS_NUM_RINGS > 9);
-               sprintf(str, "ring-ref%u", i);
+               sprintf(str, "ring-ref%d", i);
                ret = xenbus_printf(xbt, dev->nodename, str, "%d",
                                    priv->rings[i].ref);
                if (ret)
                        goto error_xenbus;
 
-               sprintf(str, "event-channel-%u", i);
+               sprintf(str, "event-channel-%d", i);
                ret = xenbus_printf(xbt, dev->nodename, str, "%u",
                                    priv->rings[i].evtchn);
                if (ret)
-- 
2.11.0