Commit c833ab73 authored by Anthony Liguori's avatar Anthony Liguori
Browse files

Fix segv when passing an unknown protocol


Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent 71b9b0ca
......@@ -306,7 +306,7 @@ static BlockDriver *find_image_format(const char *filename)
drv = find_protocol(filename);
/* no need to test disk image formats for vvfat */
if (strcmp(drv->format_name, "vvfat") == 0)
if (drv && strcmp(drv->format_name, "vvfat") == 0)
return drv;
ret = bdrv_file_open(&bs, filename, BDRV_O_RDONLY);
......
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