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sh/mm: stop using pgd_ERROR()

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Stop using pgd_ERROR() in __get_pte_phys() when page table entry is
already known to be empty.

Link: https://lore.kernel.org/20260831054331.625505-8-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand (Arm) <david@kernel.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: James Bottomley <james.bottomley@HansenPartnership.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Samuel Holland <samuel.holland@sifive.com>
Cc: WANG Xuerui <kernel@xen0n.name>
This commit is contained in:
Anshuman Khandual 2026-08-31 11:13:29 +05:30 committed by Andrew Morton
parent 3b225ce37f
commit 66a0441a17
1 changed files with 1 additions and 3 deletions
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4
arch/sh/mm/init.c
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@ -52,10 +52,8 @@ static pte_t *__get_pte_phys(unsigned long addr)
pmd_t *pmd;
pgd = pgd_offset_k(addr);
if (pgd_none(*pgd)) {
pgd_ERROR(*pgd);
if (pgd_none(*pgd))
return NULL;
}
p4d = p4d_alloc(NULL, pgd, addr);
if (unlikely(!p4d)) {