diff options
Diffstat (limited to 'arch/arm/kernel/ftrace.c')
-rw-r--r-- | arch/arm/kernel/ftrace.c | 17 |
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 | ||