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With the latest llvm21 compiler, I hit several errors when building bpf
selftests. Some of errors look like below:
test_maps.c:565:40: error: variable 'val' is uninitialized when passed as a
const pointer argument here [-Werror,-Wuninitialized-const-pointer]
565 | assert(bpf_map_update_elem(fd, NULL, &val, 0) < 0 &&
| ^~~
prog_tests/bpf_iter.c:400:25: error: variable 'c' is uninitialized when passed
as a const pointer argument here [-Werror,-Wuninitialized-const-pointer]
400 | write(finish_pipe[1], &c, 1);
| ^
Some other errors have similar the pattern as the above.
These errors are fixed by initializing those variables properly.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250715185910.3659447-1-yonghong.song@linux.dev
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| .. | ||
| accounting | ||
| arch | ||
| bootconfig | ||
| bpf | ||
| build | ||
| certs | ||
| cgroup | ||
| counter | ||
| crypto | ||
| debugging | ||
| firewire | ||
| firmware | ||
| gpio | ||
| hv | ||
| iio | ||
| include | ||
| kvm/kvm_stat | ||
| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| mm | ||
| net | ||
| objtool | ||
| pcmcia | ||
| perf | ||
| power | ||
| rcu | ||
| sched_ext | ||
| scripts | ||
| sound | ||
| spi | ||
| testing | ||
| thermal | ||
| time | ||
| tracing | ||
| usb | ||
| verification | ||
| virtio | ||
| wmi | ||
| workqueue | ||
| writeback | ||
| Makefile | ||