qemu-img: Use error_vreport() in error_exit()

error_exit() uses low-level error_printf() to report errors.
Modernize it to use error_vreport().

Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: qemu-block@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190417190641.26814-2-armbru@redhat.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/qemu-img.c b/qemu-img.c
index 8c7b2437f0..c376e91ca0 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -85,13 +85,11 @@ static void QEMU_NORETURN GCC_FMT_ATTR(1, 2) error_exit(const char *fmt, ...)
 {
     va_list ap;
 
-    error_printf("qemu-img: ");
-
     va_start(ap, fmt);
-    error_vprintf(fmt, ap);
+    error_vreport(fmt, ap);
     va_end(ap);
 
-    error_printf("\nTry 'qemu-img --help' for more information\n");
+    error_printf("Try 'qemu-img --help' for more information\n");
     exit(EXIT_FAILURE);
 }