In grub_cmd_initrd(), memory is allocated for variable initrd_ctx
before calling grub_relocator_alloc_chunk_align_safe(). When the
function call fails, initrd_ctx should be freed before exiting
grub_cmd_initrd().
Fixes: CID 473852
Signed-off-by: Lidong Chen <lidong.chen@oracle.com>
Reviewed-by: Sudhakar Kuppusamy <sudhakar@linux.ibm.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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