diff options
| -rw-r--r-- | qemu-img.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/qemu-img.c b/qemu-img.c index a761c36e7b..ff29ed1c67 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -2304,7 +2304,7 @@ static int img_snapshot(int argc, char **argv) static int img_rebase(int argc, char **argv) { - BlockDriverState *bs, *bs_old_backing = NULL, *bs_new_backing = NULL; + BlockDriverState *bs = NULL, *bs_old_backing = NULL, *bs_new_backing = NULL; BlockDriver *old_backing_drv, *new_backing_drv; char *filename; const char *fmt, *cache, *src_cache, *out_basefmt, *out_baseimg; @@ -2376,14 +2376,14 @@ static int img_rebase(int argc, char **argv) ret = bdrv_parse_cache_flags(cache, &flags); if (ret < 0) { error_report("Invalid cache option: %s", cache); - return -1; + goto out; } src_flags = BDRV_O_FLAGS; ret = bdrv_parse_cache_flags(src_cache, &src_flags); if (ret < 0) { error_report("Invalid source cache option: %s", src_cache); - return -1; + goto out; } /* @@ -2394,7 +2394,8 @@ static int img_rebase(int argc, char **argv) */ bs = bdrv_new_open("image", filename, fmt, flags, true, quiet); if (!bs) { - return 1; + ret = -1; + goto out; } /* Find the right drivers for the backing files */ @@ -2420,11 +2421,7 @@ static int img_rebase(int argc, char **argv) } /* For safe rebasing we need to compare old and new backing file */ - if (unsafe) { - /* Make the compiler happy */ - bs_old_backing = NULL; - bs_new_backing = NULL; - } else { + if (!unsafe) { char backing_name[1024]; bs_old_backing = bdrv_new("old_backing", &error_abort); |