diff options
Diffstat (limited to 'qemu-img.c')
| -rw-r--r-- | qemu-img.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/qemu-img.c b/qemu-img.c index 3ecbc375b0..585b65640f 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -4129,6 +4129,8 @@ static int print_amend_option_help(const char *format) { BlockDriver *drv; + GRAPH_RDLOCK_GUARD_MAINLOOP(); + /* Find driver and parse its options */ drv = bdrv_find_format(format); if (!drv) { @@ -4267,9 +4269,11 @@ static int img_amend(int argc, char **argv) goto out; } + bdrv_graph_rdlock_main_loop(); if (!bs->drv->bdrv_amend_options) { error_report("Format driver '%s' does not support option amendment", fmt); + bdrv_graph_rdunlock_main_loop(); ret = -1; goto out; } @@ -4289,6 +4293,7 @@ static int img_amend(int argc, char **argv) "This option is only supported for image creation\n"); } + bdrv_graph_rdunlock_main_loop(); error_report_err(err); ret = -1; goto out; @@ -4298,6 +4303,8 @@ static int img_amend(int argc, char **argv) qemu_progress_print(0.f, 0); ret = bdrv_amend_options(bs, opts, &amend_status_cb, NULL, force, &err); qemu_progress_print(100.f, 0); + bdrv_graph_rdunlock_main_loop(); + if (ret < 0) { error_report_err(err); goto out; |