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    Subject[PATCH 3.16.y-ckt 042/168] MIPS: oprofile: Fix backtrace on 64-bit kernel
    Date
    3.16.7-ckt3 -stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Aaro Koskinen <aaro.koskinen@nsn.com>

    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: Luis Henriques <luis.henriques@canonical.com>
    ---
    arch/mips/oprofile/backtrace.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/arch/mips/oprofile/backtrace.c b/arch/mips/oprofile/backtrace.c
    index 6854ed5097d2..83a1dfd8f0e3 100644
    --- 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)
    --
    2.1.3


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