tree 89be78b0f2e402ca1932aac7155ecea580f4560b
parent 810810ffb2f6d46365d0790bbe77698a5534393a
author Colin Ian King <colin.king@canonical.com> 1462487973 +0100
committer David S. Miller <davem@davemloft.net> 1462764779 -0400

tools: bpf_jit_disasm: check for klogctl failure

klogctl can fail and return -ve len, so check for this and
return NULL to avoid passing a (size_t)-1 to malloc.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>