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bpf, selftests: Fix cast to smaller integer type 'int' warning in raw_tp 

Fix warning in bpf selftests,

progs/test_raw_tp_test_run.c:18:10: warning: cast to smaller integer type 'int' from 'struct task_struct *' [-Wpointer-to-int-cast]

Change int type cast to long to fix. Discovered with gcc-9 and llvm-11+
where llvm was recent main branch.

Fixes: 09d8ad1688 ("selftests/bpf: Add raw_tp_test_run")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/160134424745.11199.13841922833336698133.stgit@john-Precision-5820-Tower
This commit is contained in:
John Fastabend 2020-09-28 18:50:47 -07:00 committed by Alexei Starovoitov
parent bc60090865
commit 00e8c44a14
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/bpf/progs/test_raw_tp_test_run.c
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@ -15,7 +15,7 @@ int BPF_PROG(rename, struct task_struct *task, char *comm)
count++;
if ((__u64) task == 0x1234ULL && (__u64) comm == 0x5678ULL) {
on_cpu = bpf_get_smp_processor_id();
return (int)task + (int)comm;
return (long)task + (long)comm;
}
return 0;