From: Randy Dunlap Date: Wed, 14 Apr 2021 06:43:48 +0000 (-0700) Subject: um: pgtable.h: Fix W=1 warning for empty body in 'do' statement X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6e166319a63448c1ba9e310ddd94c8e3e9ac4e3c;p=linux.git um: pgtable.h: Fix W=1 warning for empty body in 'do' statement Use the common kernel style to eliminate a warning: ./arch/um/include/asm/pgtable.h:305:47: warning: suggest braces around empty body in ‘do’ statement [-Wempty-body] #define update_mmu_cache(vma,address,ptep) do ; while (0) ^ mm/filemap.c:3212:3: note: in expansion of macro ‘update_mmu_cache’ update_mmu_cache(vma, addr, vmf->pte); ^~~~~~~~~~~~~~~~ Signed-off-by: Randy Dunlap Cc: Jeff Dike Cc: Richard Weinberger Cc: Anton Ivanov Cc: linux-um@lists.infradead.org Signed-off-by: Richard Weinberger --- diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h index def376194dce6..b9e20bbe2f752 100644 --- a/arch/um/include/asm/pgtable.h +++ b/arch/um/include/asm/pgtable.h @@ -302,7 +302,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) struct mm_struct; extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); -#define update_mmu_cache(vma,address,ptep) do ; while (0) +#define update_mmu_cache(vma,address,ptep) do {} while (0) /* Encode and de-code a swap entry */ #define __swp_type(x) (((x).val >> 5) & 0x1f)