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qemu-img: Fix options leakage in img_rebase() 

img_rebase() can leak a QDict in two occasions.  Fix it.

Coverity: CID 1401416
Fixes: d16699b646
Fixes: 330c729571
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190528195338.12376-1-mreitz@redhat.com
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Max Reitz 2019-05-28 21:53:38 +02:00
parent 549fb88045
commit f22356d955
1 changed files with 3 additions and 0 deletions
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3
qemu-img.c
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@ -3350,6 +3350,7 @@ static int img_rebase(int argc, char **argv)
out_baseimg,
&local_err);
if (local_err) {
qobject_unref(options);
error_reportf_err(local_err,
"Could not resolve backing filename: ");
ret = -1;
@ -3362,7 +3363,9 @@ static int img_rebase(int argc, char **argv)
*/
prefix_chain_bs = bdrv_find_backing_image(bs, out_real_path);
if (prefix_chain_bs) {
qobject_unref(options);
g_free(out_real_path);
blk_new_backing = blk_new(qemu_get_aio_context(),
BLK_PERM_CONSISTENT_READ,
BLK_PERM_ALL);