+ init-mainc-remove-unreachable-check-in-obsolete_checksetup.patch added to mm-nonmm-unstable branch

+ init-mainc-remove-unreachable-check-in-obsolete_checksetup.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: init/main.c: remove unreachable check in obsolete_checksetup()
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     init-mainc-remove-unreachable-check-in-obsolete_checksetup.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/init-mainc-remove-unreachable-check-in-obsolete_checksetup.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Sang-Heon Jeon <ekffu200098@gmail.com>
Subject: init/main.c: remove unreachable check in obsolete_checksetup()
Date: Tue, 22 Sep 2026 22:26:27 +0900

Since commit 1ecfea06386c ("init.h: remove long-dead
__setup_null_param() macro"), .init.setup entries cannot have a NULL
setup_func.

So remove the NULL check.

No functional change.

Link: https://lore.kernel.org/20260922132630.177941-1-ekffu200098@gmail.com
Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 init/main.c |    4 ----
 1 file changed, 4 deletions(-)

--- a/init/main.c~init-mainc-remove-unreachable-check-in-obsolete_checksetup
+++ a/init/main.c
@@ -215,10 +215,6 @@ static bool __init obsolete_checksetup(c
 				 * params and __setups of same names 8( */
 				if (line[n] == '\0' || line[n] == '=')
 					had_early_param = true;
-			} else if (!p->setup_func) {
-				pr_warn("Parameter %s is obsolete, ignored\n",
-					p->str);
-				return true;
 			} else if (p->setup_func(line + n))
 				return true;
 		}
_

Patches currently in -mm which might be from ekffu200098@gmail.com are

percpu-fix-the-comment-about-which-sizes-share-a-slot.patch
percpu-remove-redundant-assignments-to-bits.patch
percpu-remove-unnecessary-initialization-in-pcpu_build_alloc_info.patch
percpu-remove-unnecessary-cpumask_clear-in-pcpu_build_alloc_info.patch
percpu-remove-unnecessary-return-in-pcpu_populate_pte.patch
mm-swapops-remove-unused-is_hwpoison_entry.patch
bootconfig-remove-redundant-assignment-in-xbc_parse_array.patch
init-mainc-remove-unreachable-check-in-obsolete_checksetup.patch