[PATCH v9 11/16] cxl/pci: Update __cxl_handle_cor_ras() to return early if no RAS errors

[Terry Bowman]

__cxl_handle_cor_ras() is missing logic to leave the function early in the
case there is no RAS error. Update __cxl_handle_cor_ras() to exit early in
the case there is no RAS errors detected after applying the mask.

Signed-off-by: Terry Bowman <terry.bowman@xxxxxxx>
---
 drivers/cxl/core/pci.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c
index 0f4c07fd64a5..f5f87c2c3fd5 100644
--- a/drivers/cxl/core/pci.c
+++ b/drivers/cxl/core/pci.c
@@ -677,10 +677,11 @@ static void __cxl_handle_cor_ras(struct device *dev, u64 serial,
 
 	addr = ras_base + CXL_RAS_CORRECTABLE_STATUS_OFFSET;
 	status = readl(addr);
-	if (status & CXL_RAS_CORRECTABLE_STATUS_MASK) {
-		writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr);
-		trace_cxl_aer_correctable_error(dev, serial, status);
-	}
+	if (!(status & CXL_RAS_CORRECTABLE_STATUS_MASK))
+		return;
+	writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr);
+
+	trace_cxl_aer_correctable_error(dev, serial, status);
 }
 
 static void cxl_handle_endpoint_cor_ras(struct cxl_dev_state *cxlds)
-- 
2.34.1