Signed-off-by: Markus Armbruster <arm...@redhat.com>
---
qemu-img.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/qemu-img.c b/qemu-img.c
index 3ae5fe3..cf3ef3e 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -2838,6 +2838,10 @@ static int img_map(int argc, char **argv)
}
length = blk_getlength(blk);
+ if (length < 0) {
+ error_report("Couldn't get length of image '%s': %s",
+ filename, strerror(-length));
+ }
while (curr.start + curr.length < length) {
int64_t nsectors_left;
int64_t sector_num;
--
2.7.5
