Omit an extra message for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.
Signed-off-by: NMarkus Elfring <elfring@users.sourceforge.net>
Acked-by: NChris Boot <bootc@boo.tc>
Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>