libbpf: Remove unnecessary usdt_rel_ip assignments

Coverity detected that usdt_rel_ip is unconditionally overwritten
anyways, so there is no need to unnecessarily initialize it with unused
value. Clean this up.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20220705224818.4026623-4-andrii@kernel.org

diff --git a/tools/lib/bpf/usdt.c b/tools/lib/bpf/usdt.c
index 5159207cbfd9c348e406e90e8643a1e24ab9f18a..d18e37982344c7c85b4a31d896f580d14927c892 100644 (file)
--- a/tools/lib/bpf/usdt.c
+++ b/tools/lib/bpf/usdt.c
@@ -652,11 +652,9 @@ static int collect_usdt_targets(struct usdt_manager *man, Elf *elf, const char *
                 *
                 *   [0] https://sourceware.org/systemtap/wiki/UserSpaceProbeImplementation
                 */
-               usdt_rel_ip = usdt_abs_ip = note.loc_addr;
-               if (base_addr) {
+               usdt_abs_ip = note.loc_addr;
+               if (base_addr)
                        usdt_abs_ip += base_addr - note.base_addr;
-                       usdt_rel_ip += base_addr - note.base_addr;
-               }
 
                /* When attaching uprobes (which is what USDTs basically are)
                 * kernel expects file offset to be specified, not a relative