qemu-img: add special exit code if bdrv_check is not supported

currently it is not possible to distinguish by exitcode if there
has been an error or if bdrv_check is not supported by the image
format. Change the exitcode from 1 to 63 for the latter case.

Signed-off-by: Peter Lieven <[email protected]>
Reviewed-by: Eric Blake <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>

diff --git a/qemu-img.c b/qemu-img.c
index 926f0a0febc425563d8d1ba4699abbae8060aa22..bf3fb4f8a6555592082ae6366e07a8a200d8d243 100644 (file)
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -607,7 +607,7 @@ static int img_check(int argc, char **argv)
         if (output_format == OFORMAT_HUMAN) {
             error_report("This image format does not support checks");
         }
-        ret = 1;
+        ret = 63;
         goto fail;
     }