MIPS: oprofile: Fix backtrace on 64-bit kernel

commit bbaf113a481b6ce32444c125807ad3618643ce57 upstream.

Fix incorrect cast that always results in wrong address for the new
frame on 64-bit kernels.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nsn.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8110/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/mips/oprofile/backtrace.c b/arch/mips/oprofile/backtrace.c
index 6854ed5..83a1dfd 100644 (file)
--- a/arch/mips/oprofile/backtrace.c
+++ b/arch/mips/oprofile/backtrace.c
@@ -92,7 +92,7 @@ static inline int unwind_user_frame(struct stackframe *old_frame,
                                /* This marks the end of the previous function,
                                   which means we overran. */
                                break;
-                       stack_size = (unsigned) stack_adjustment;
+                       stack_size = (unsigned long) stack_adjustment;
                } else if (is_ra_save_ins(&ip)) {
                        int ra_slot = ip.i_format.simmediate;
                        if (ra_slot < 0)