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-rw-r--r--arch/blackfin/kernel/dumpstack.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/blackfin/kernel/dumpstack.c b/arch/blackfin/kernel/dumpstack.c
index e81392c9d1db..5cfbaa298211 100644
--- a/arch/blackfin/kernel/dumpstack.c
+++ b/arch/blackfin/kernel/dumpstack.c
@@ -18,21 +18,14 @@
*/
static bool is_bfin_call(unsigned short *addr)
{
- unsigned short opcode = 0, *ins_addr;
- ins_addr = (unsigned short *)addr;
+ unsigned int opcode;
- if (!get_instruction(&opcode, ins_addr))
+ if (!get_instruction(&opcode, addr))
return false;
if ((opcode >= 0x0060 && opcode <= 0x0067) ||
- (opcode >= 0x0070 && opcode <= 0x0077))
- return true;
-
- ins_addr--;
- if (!get_instruction(&opcode, ins_addr))
- return false;
-
- if (opcode >= 0xE300 && opcode <= 0xE3FF)
+ (opcode >= 0x0070 && opcode <= 0x0077) ||
+ (opcode >= 0xE3000000 && opcode <= 0xE3FFFFFF))
return true;
return false;
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