bpf: Remove unnecessary assertion on fp_old
The two callers of bpf_prog_realloc - bpf_patch_insn_single and bpf_migrate_filter dereference the struct fp_old, before passing it to the function. Thus assertion to check fp_old is unnecessary and can be removed. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20191219175735.19231-1-pakki001@umn.edu
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