1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 9a340e790da5..2b84f78d7b0f 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -242,6 +242,15 @@ get_branch_address(struct task_struct *child, unsigned long pc, unsigned long in
                  */
                 long aluop1, aluop2, ccbit;
 
+                if ((insn & 0x0fffffd0) == 0x012fff10) {
+                        /*
+                         * bx or blx
+                         */
+                        alt = get_user_reg(child, insn & 15);
+                        break;
+                }
+
+
                 if ((insn & 0xf000) != 0xf000)
                         break;