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-rw-r--r--arch/arm/kernel/entry-common.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 49a6ba9..159d041 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -111,6 +111,7 @@ ENTRY(mcount)
.globl mcount_call
mcount_call:
bl ftrace_stub
+ ldr lr, [fp, #-4] @ restore lr
ldmia sp!, {r0-r3, pc}
ENTRY(ftrace_caller)
@@ -122,6 +123,7 @@ ENTRY(ftrace_caller)
.globl ftrace_call
ftrace_call:
bl ftrace_stub
+ ldr lr, [fp, #-4] @ restore lr
ldmia sp!, {r0-r3, pc}
#else
@@ -133,6 +135,7 @@ ENTRY(mcount)
adr r0, ftrace_stub
cmp r0, r2
bne trace
+ ldr lr, [fp, #-4] @ restore lr
ldmia sp!, {r0-r3, pc}
trace:
@@ -141,6 +144,7 @@ trace:
sub r0, r0, #MCOUNT_INSN_SIZE
mov lr, pc
mov pc, r2
+ mov lr, r1 @ restore lr
ldmia sp!, {r0-r3, pc}
#endif /* CONFIG_DYNAMIC_FTRACE */
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