The rp->priv->rpi array is either rpi_msr or rpi_tpmi which have
NR_RAPL_PRIMITIVES number of elements. Thus the > needs to be >=
to prevent an off by one access.
Fixes: 98ff639a7289 ("powercap: intel_rapl: Support per Interface primitive information")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/powercap/intel_rapl_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c
index 8b7a5a31e8c1..67aec73511a7 100644
--- a/drivers/powercap/intel_rapl_common.c
+++ b/drivers/powercap/intel_rapl_common.c
@@ -740,7 +740,7 @@ static struct rapl_primitive_info *get_rpi(struct rapl_package *rp, int prim)
{
struct rapl_primitive_info *rpi = rp->priv->rpi;
- if (prim < 0 || prim > NR_RAPL_PRIMITIVES || !rpi)
+ if (prim < 0 || prim >= NR_RAPL_PRIMITIVES || !rpi)
return NULL;
return &rpi[prim];
--
2.43.0
