tracing/kprobes: Fix a sparse warning for incorrect type in assignment

Fix a sparse warning about the rcu operated pointer is
defined without __rcu address space.

Link: http://lkml.kernel.org/r/20130513115837.6545.23322.stgit@mhiramat-M0-7522
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tom Zanussi <tom.zanussi@intel.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 0a3d8d5c483d2e271eadfd44050491183df9bc95..81c5109b9d00d5de93f2abd84cfe2cf873772061 100644 (file)
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -35,7 +35,7 @@ struct trace_probe {
        const char              *symbol;        /* symbol name */
        struct ftrace_event_class       class;
        struct ftrace_event_call        call;
-       struct ftrace_event_file        **files;
+       struct ftrace_event_file * __rcu *files;
        ssize_t                 size;           /* trace entry size */
        unsigned int            nr_args;
        struct probe_arg        args[];