ACPI / osl: Kill macro INVALID_TABLE().

The macro INVALID_TABLE() is defined like this:

 #define INVALID_TABLE(x, path, name)                                    \
         { pr_err("ACPI OVERRIDE: " x " [%s%s]\n", path, name); continue; }

And it is used like this:

	for (...) {
		...
		if (...)
			INVALID_TABLE()
		...
	}

The "continue" in the macro makes the code hard to understand.

And also, this macro is only used several times in a single file.
As suggested by Joe Perches <joe@perches.com>, we can remote it and
use pr_err directly.

So after this patch, this macro is removed, and pr_err() is used
like this:

	for (...) {
		...
		if (...) {
			pr_err("ACPI OVERRIDE: ......");
			continue;
		}
		...
	}

Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Suggested-by: Joe Perches <joe@perches.com>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index eb95978..6bc0827 100644 (file)
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -564,10 +564,6 @@ static const char * const table_sigs[] = {
        ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT,
        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_HEADER_SIZE sizeof(struct acpi_table_header)
 
 /* Must not increase 10 or needs code modification below */
@@ -594,9 +590,11 @@ void __init acpi_initrd_override(void *data, size_t size)
                data += offset;
                size -= offset;
 
-               if (file.size < sizeof(struct acpi_table_header))
-                       INVALID_TABLE("Table smaller than ACPI header",
-                                     cpio_path, file.name);
+               if (file.size < sizeof(struct acpi_table_header)) {
+                       pr_err("ACPI OVERRIDE: Table smaller than ACPI header [%s%s]\n",
+                               cpio_path, file.name);
+                       continue;
+               }
 
                table = file.data;
 
@@ -604,15 +602,21 @@ void __init acpi_initrd_override(void *data, size_t size)
                        if (!memcmp(table->signature, table_sigs[sig], 4))
                                break;
 
-               if (!table_sigs[sig])
-                       INVALID_TABLE("Unknown signature",
-                                     cpio_path, file.name);
-               if (file.size != table->length)
-                       INVALID_TABLE("File length does not match table length",
-                                     cpio_path, file.name);
-               if (acpi_table_checksum(file.data, table->length))
-                       INVALID_TABLE("Bad table checksum",
-                                     cpio_path, file.name);
+               if (!table_sigs[sig]) {
+                       pr_err("ACPI OVERRIDE: Unknown signature [%s%s]\n",
+                               cpio_path, file.name);
+                       continue;
+               }
+               if (file.size != table->length) {
+                       pr_err("ACPI OVERRIDE: File length does not match table length [%s%s]\n",
+                               cpio_path, file.name);
+                       continue;
+               }
+               if (acpi_table_checksum(file.data, table->length)) {
+                       pr_err("ACPI OVERRIDE: Bad table checksum [%s%s]\n",
+                               cpio_path, file.name);
+                       continue;
+               }
 
                pr_info("%4.4s ACPI table found in initrd [%s%s][0x%x]\n",
                        table->signature, cpio_path, file.name, table->length);