[PATCH v2 1/6] powerpc/xive: remove dead NULL check after GFP_NOFAIL allocation
From: Gou Hao <hidden>
Date: 2026-07-24 02:30:16
Also in:
dri-devel, linux-mm, linux-rdma, lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
kzalloc_objs with the __GFP_NOFAIL flag will never return NULL, so the subsequent NULL check is unreachable dead code. Remove it. Signed-off-by: Gou Hao <redacted> Reviewed-by: Wentao Guan <redacted> Reviewed-by: jiazhenyuan <redacted> --- arch/powerpc/sysdev/xive/common.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index dadd1f46ec939..f2904a5c2b7bf 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c@@ -1134,9 +1134,6 @@ static int __init xive_init_ipis(void) xive_ipis = kzalloc_objs(*xive_ipis, nr_node_ids, GFP_KERNEL | __GFP_NOFAIL); - if (!xive_ipis) - goto out_free_domain; - for_each_node(node) { struct xive_ipi_desc *xid = &xive_ipis[node]; struct xive_ipi_alloc_info info = { node };
@@ -1158,7 +1155,7 @@ static int __init xive_init_ipis(void) out_free_xive_ipis: kfree(xive_ipis); -out_free_domain: + xive_ipis = NULL; irq_domain_remove(ipi_domain); out_free_fwnode: irq_domain_free_fwnode(fwnode);
--
2.20.1