Commit d0e02579 authored Feb 27, 2017 by Steven Rostedt (VMware) Committed by Arnaldo Carvalho de Melo Mar 03, 2017

trace/kprobes: Add back warning about offset in return probes

Let's not remove the warning about offsets and return probes when the
offset is invalid.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/20170227115204.00f92846@gandalf.local.home

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent f1c4d1ad

kernel/trace/trace_kprobe.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -695,6 +695,11 @@ static int create_trace_kprobe(int argc, char **argv)
		pr_info("Failed to parse symbol.\n");
		return ret;
		}
		if (offset && is_return &&
		!arch_function_offset_within_entry(offset)) {
		pr_info("Given offset is not valid for return probe.\n");
		return -EINVAL;
		}
		}
		argc -= 2; argv += 2;