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Diffstat (limited to 'arch/arm/kernel/ftrace.c')
-rw-r--r--arch/arm/kernel/ftrace.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index df0bf0c8cb79..34e56647dcee 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -179,19 +179,20 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
179 old = *parent; 179 old = *parent;
180 *parent = return_hooker; 180 *parent = return_hooker;
181 181
182 err = ftrace_push_return_trace(old, self_addr, &trace.depth,
183 frame_pointer);
184 if (err == -EBUSY) {
185 *parent = old;
186 return;
187 }
188
189 trace.func = self_addr; 182 trace.func = self_addr;
183 trace.depth = current->curr_ret_stack + 1;
190 184
191 /* Only trace if the calling function expects to */ 185 /* Only trace if the calling function expects to */
192 if (!ftrace_graph_entry(&trace)) { 186 if (!ftrace_graph_entry(&trace)) {
193 current->curr_ret_stack--;
194 *parent = old; 187 *parent = old;
188 return;
189 }
190
191 err = ftrace_push_return_trace(old, self_addr, &trace.depth,
192 frame_pointer);
193 if (err == -EBUSY) {
194 *parent = old;
195 return;
195 } 196 }
196} 197}
197 198