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SubjectRe: [PATCH part2 3/4] acpi: Remove "continue" in macro INVALID_TABLE().
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On Thu, 2013-08-08 at 13:03 +0800, Tang Chen wrote:

> Change it to the style like other macros:
>
> #define INVALID_TABLE(x, path, name) \
> do { pr_err("ACPI OVERRIDE: " x " [%s%s]\n", path, name); } while (0)

Single statement macros do _not_ need to use
"do { foo(); } while (0)"
and should be written as
"foo()"

> diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
[]
> @@ -564,8 +564,8 @@ static const char * const table_sigs[] = {
> ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, NULL };
>
> /* Non-fatal errors: Affected tables/files are ignored */
> -#define INVALID_TABLE(x, path, name) \
> - { pr_err("ACPI OVERRIDE: " x " [%s%s]\n", path, name); continue; }
> +#define ACPI_INVALID_TABLE(x, path, name) \
> + do { pr_err("ACPI OVERRIDE: " x " [%s%s]\n", path, name); } while (0)

Just remove the silly macro altogether

> @@ -593,9 +593,11 @@ void __init acpi_initrd_override(void *data, size_t size)
[]
> - if (file.size < sizeof(struct acpi_table_header))
> - INVALID_TABLE("Table smaller than ACPI header",
> + if (file.size < sizeof(struct acpi_table_header)) {
> + ACPI_INVALID_TABLE("Table smaller than ACPI header",
> cpio_path, file.name);

and use the normal style

pr_err("ACPI OVERRIDE: Table smaller than ACPI header [%s%s]\n",
cpio_path, file.name);

> @@ -603,15 +605,21 @@ void __init acpi_initrd_override(void *data, size_t size)

etc...



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