5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Kunwu Chan <chentao@xxxxxxxxxx>
[ Upstream commit e123015c0ba859cf48aa7f89c5016cc6e98e018d ]
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.
Fixes: b9ef7b4b867f ("powerpc: Convert to using %pOFn instead of device_node.name")
Signed-off-by: Kunwu Chan <chentao@xxxxxxxxxx>
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Link: https://msgid.link/20231126095739.1501990-1-chentao@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/powerpc/platforms/powernv/opal-powercap.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/powerpc/platforms/powernv/opal-powercap.c b/arch/powerpc/platforms/powernv/opal-powercap.c
index c16d44f6f1d1..ce9ec3962cef 100644
--- a/arch/powerpc/platforms/powernv/opal-powercap.c
+++ b/arch/powerpc/platforms/powernv/opal-powercap.c
@@ -196,6 +196,12 @@ void __init opal_powercap_init(void)
j = 0;
pcaps[i].pg.name = kasprintf(GFP_KERNEL, "%pOFn", node);
+ if (!pcaps[i].pg.name) {
+ kfree(pcaps[i].pattrs);
+ kfree(pcaps[i].pg.attrs);
+ goto out_pcaps_pattrs;
+ }
+
if (has_min) {
powercap_add_attr(min, "powercap-min",
&pcaps[i].pattrs[j]);
--
2.43.0
