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qemu with hax to log dma reads & writes jcs.org/2018/11/12/vfio
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block/qapi: Clear err for further error

Since a5002d5 (block/qapi: allow best-effort query) we don't return at
this error, however err must be cleared before passing to
bdrv_query_snapshot_info_list below, as required by error API.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1450779107-26765-1-git-send-email-famz@redhat.com
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>

authored by

Fam Zheng and committed by
Max Reitz 0fa296eb fc27291d

+1
+1
block/qapi.c
··· 250 250 g_free(backing_filename2); 251 251 backing_filename2 = NULL; 252 252 error_free(err); 253 + err = NULL; 253 254 } 254 255 255 256 /* Always report the full_backing_filename if present, even if it's the