[PATCH 3.10 01/45] MIPS: oprofile: Fix backtrace on 64-bit kernel

From: Greg Kroah-Hartman
Date: Fri Dec 05 2014 - 17:57:52 EST

3.10-stable review patch. If anyone has any objections, please let me know.


From: Aaro Koskinen <aaro.koskinen@xxxxxxx>

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@xxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Patchwork: https://patchwork.linux-mips.org/patch/8110/
Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

arch/mips/oprofile/backtrace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/mips/oprofile/backtrace.c
+++ b/arch/mips/oprofile/backtrace.c
@@ -92,7 +92,7 @@ static inline int unwind_user_frame(stru
/* This marks the end of the previous function,
which means we overran. */
- 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)

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