From: Arnd Bergmann Date: Wed, 21 Jul 2021 21:19:45 +0000 (+0200) Subject: bpf: Fix pointer cast warning X-Git-Tag: microblaze-v5.16~158^2~345^2~23 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=16c5900ba776c5acd6568abd60c40f948a96e496;p=linux-2.6-microblaze.git bpf: Fix pointer cast warning kp->addr is a pointer, so it cannot be cast directly to a 'u64' when it gets interpreted as an integer value: kernel/trace/bpf_trace.c: In function '____bpf_get_func_ip_kprobe': kernel/trace/bpf_trace.c:968:21: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] 968 | return kp ? (u64) kp->addr : 0; Use the uintptr_t type instead. Fixes: 9ffd9f3ff719 ("bpf: Add bpf_get_func_ip helper for kprobe programs") Signed-off-by: Arnd Bergmann Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20210721212007.3876595-1-arnd@kernel.org --- diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 08906007306d..1f22ce1fa971 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -965,7 +965,7 @@ BPF_CALL_1(bpf_get_func_ip_kprobe, struct pt_regs *, regs) { struct kprobe *kp = kprobe_running(); - return kp ? (u64) kp->addr : 0; + return kp ? (uintptr_t)kp->addr : 0; } static const struct bpf_func_proto bpf_get_func_ip_proto_kprobe = {