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authorAndrii Nakryiko <andriin@fb.com>2019-07-08 21:00:07 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2019-07-12 14:51:03 +0200
commit36db2a94f19ae1fcf1e6d8253df0c32f90f92860 (patch)
treec5303ec4f058cdda3566e2df0becd7fb15d32262 /tools/lib
parentb3b50f05dc501cc2cd90349a7bbfd932af0ceb31 (diff)
libbpf: fix ptr to u64 conversion warning on 32-bit platforms
On 32-bit platforms compiler complains about conversion: libbpf.c: In function ‘perf_event_open_probe’: libbpf.c:4112:17: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] attr.config1 = (uint64_t)(void *)name; /* kprobe_func or uprobe_path */ ^ Reported-by: Matt Hart <matthew.hart@linaro.org> Fixes: b26500274767 ("libbpf: add kprobe/uprobe attach API") Tested-by: Matt Hart <matthew.hart@linaro.org> Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/bpf/libbpf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index ed07789b3e62..794dd5064ae8 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -4126,8 +4126,8 @@ static int perf_event_open_probe(bool uprobe, bool retprobe, const char *name,
}
attr.size = sizeof(attr);
attr.type = type;
- attr.config1 = (uint64_t)(void *)name; /* kprobe_func or uprobe_path */
- attr.config2 = offset; /* kprobe_addr or probe_offset */
+ attr.config1 = ptr_to_u64(name); /* kprobe_func or uprobe_path */
+ attr.config2 = offset; /* kprobe_addr or probe_offset */
/* pid filter is meaningful only for uprobes */
pfd = syscall(__NR_perf_event_open, &attr,