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Subject[PATCH 04/12] tools: hv: fix compiler warnings about major/target_fname
From: Dexuan Cui <>

This patch fixes the below warnings with new glibc and gcc:

hv_vss_daemon.c:100:13: warning: In the GNU C Library, "major" is defined
by <sys/sysmacros.h>. For historical compatibility, it is currently
defined by <sys/types.h> as well, but we plan to remove this soon.
To use "major", include <sys/sysmacros.h> directly.

hv_fcopy_daemon.c:42:2: note: 'snprintf' output between 2 and 1040
bytes into a destination of size 260

Signed-off-by: Dexuan Cui <>
Cc: Stephen Hemminger <>
Cc: K. Y. Srinivasan <>
Signed-off-by: K. Y. Srinivasan <>
tools/hv/hv_fcopy_daemon.c | 3 ++-
tools/hv/hv_vss_daemon.c | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/hv/hv_fcopy_daemon.c b/tools/hv/hv_fcopy_daemon.c
index 457a1521f32f..785f4e95148c 100644
--- a/tools/hv/hv_fcopy_daemon.c
+++ b/tools/hv/hv_fcopy_daemon.c
@@ -23,13 +23,14 @@
#include <unistd.h>
#include <errno.h>
#include <linux/hyperv.h>
+#include <linux/limits.h>
#include <syslog.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <getopt.h>

static int target_fd;
-static char target_fname[W_MAX_PATH];
+static char target_fname[PATH_MAX];
static unsigned long long filesize;

static int hv_start_fcopy(struct hv_start_fcopy *smsg)
diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c
index b2b4ebffab8c..34031a297f02 100644
--- a/tools/hv/hv_vss_daemon.c
+++ b/tools/hv/hv_vss_daemon.c
@@ -22,6 +22,7 @@
#include <sys/poll.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
+#include <sys/sysmacros.h>
#include <fcntl.h>
#include <stdio.h>
#include <mntent.h>
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