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由 YueHaibing 提交于
bpf_object__open()/bpf_object__open_buffer can return error pointer or NULL, check the return values with IS_ERR_OR_NULL() in bpf__prepare_load and bpf__prepare_load_buffer Signed-off-by: NYueHaibing <yuehaibing@huawei.com> Acked-by: NDaniel Borkmann <daniel@iogearbox.net> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: netdev@vger.kernel.org Link: https://lkml.kernel.org/n/tip-psf4xwc09n62al2cb9s33v9h@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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