3.0-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpen...@oracle.com>
commit 44009105081b51417f311f4c3be0061870b6b8ed upstream.
The "event" variable is a u16 so the shift will always wrap to zero
making the line a no-op.
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Robert Richter <robert.rich...@amd.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/x86/oprofile/nmi_int.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -55,7 +55,7 @@ u64 op_x86_get_ctrl(struct op_x86_model_
val |= counter_config->extra;
event &= model->event_mask ? model->event_mask : 0xFF;
val |= event & 0xFF;
- val |= (event & 0x0F00) << 24;
+ val |= (u64)(event & 0x0F00) << 24;
return val;
}
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