Re: [PATCH 4.19 38/92] kprobes: Fix NULL pointer dereference at kprobe_ftrace_handler

On Tue, 29 Sep 2020 01:32:59 +0530 Naresh Kamboju naresh.kamboju@linaro.org wrote:

stable rc branch 4.19 build warning on arm64.

../kernel/kprobes.c: In function ‘kill_kprobe’: ../kernel/kprobes.c:1070:33: warning: statement with no effect [-Wunused-value] 1070 | #define disarm_kprobe_ftrace(p) (-ENODEV) | ^ ../kernel/kprobes.c:2090:3: note: in expansion of macro ‘disarm_kprobe_ftrace’ 2090 | disarm_kprobe_ftrace(p); | ^~~~~~~~~~~~~~~~~~~~

Seems to affect upstream as well.

-- Steve