Our algorithm for creating USB device paths may lead to duplicate device paths which result in efi_disk_register() failing. Instead we should just skip devices that cannot be registered as EFI block devices.
Fix a memory leak in efi_disk_add_dev() caused by the duplicate device path.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- v2: %s/return/goto/ --- lib/efi_loader/efi_disk.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c index ef8b5c88ff..45127d1768 100644 --- a/lib/efi_loader/efi_disk.c +++ b/lib/efi_loader/efi_disk.c @@ -424,7 +424,7 @@ static efi_status_t efi_disk_add_dev( &efi_block_io_guid, &diskobj->ops, guid, NULL, NULL)); if (ret != EFI_SUCCESS) - return ret; + goto error;
/* * On partitions or whole disks without partitions install the @@ -573,7 +573,7 @@ efi_status_t efi_disk_register(void) if (ret) { log_err("ERROR: failure to add disk device %s, r = %lu\n", dev->name, ret & ~EFI_ERROR_MASK); - return ret; + continue; } disks++;