of: unittest: Remove error printing on OOM

There is no need to print a backtrace or other error message if
kzalloc(), kmemdup(), or devm_kzalloc() fails, as the memory allocation
core already takes care of that.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>

1 files changed, 4 insertions, 9 deletions

diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index cccde756b510..3832a5de4602 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -344,7 +344,7 @@ static void __init of_unittest_check_phandles(void)
                 }
 
                 nh = kzalloc(sizeof(*nh), GFP_KERNEL);
-                if (WARN_ON(!nh))
+                if (!nh)
                         return;
 
                 nh->np = np;
@@ -1199,12 +1199,9 @@ static int __init unittest_data_add(void)
 
         /* creating copy */
         unittest_data = kmemdup(__dtb_testcases_begin, size, GFP_KERNEL);
-
-        if (!unittest_data) {
-                pr_warn("%s: Failed to allocate memory for unittest_data; "
-                        "not running tests\n", __func__);
+        if (!unittest_data)
                 return -ENOMEM;
-        }
+
         of_fdt_unflatten_tree(unittest_data, NULL, &unittest_data_node);
         if (!unittest_data_node) {
                 pr_warn("%s: No tree to attach; not running tests\n", __func__);
@@ -1845,10 +1842,8 @@ static int unittest_i2c_bus_probe(struct platform_device *pdev)
         dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
 
         std = devm_kzalloc(dev, sizeof(*std), GFP_KERNEL);
-        if (!std) {
-                dev_err(dev, "Failed to allocate unittest i2c data\n");
+        if (!std)
                 return -ENOMEM;
-        }
 
         /* link them together */
         std->pdev = pdev;