firmware/dmi_scan: constify strings

commit ffbbb96dd7570b9aafd426cd77a7ee03d224cabf upstream.

Add const to all DMI string pointers where this is possible.  This fixes a
checkpatch warning.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Joe Perches <joe@perches.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 20f7daa..612d0c1 100644 (file)
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -14,7 +14,7 @@
  * of and an antecedent to, SMBIOS, which stands for System
  * Management BIOS.  See further: http://www.dmtf.org/standards
  */
-static char dmi_empty_string[] = "        ";
+static const char dmi_empty_string[] = "        ";
 
 static u16 __initdata dmi_ver;
 /*
@@ -46,7 +46,7 @@ static const char * __init dmi_string_nosave(const struct dmi_header *dm, u8 s)
        return "";
 }
 
-static char * __init dmi_string(const struct dmi_header *dm, u8 s)
+static const char * __init dmi_string(const struct dmi_header *dm, u8 s)
 {
        const char *bp = dmi_string_nosave(dm, s);
        char *str;
@@ -130,7 +130,7 @@ static int __init dmi_checksum(const u8 *buf, u8 len)
        return sum == 0;
 }
 
-static char *dmi_ident[DMI_STRING_MAX];
+static const char *dmi_ident[DMI_STRING_MAX];
 static LIST_HEAD(dmi_devices);
 int dmi_available;
 
@@ -140,7 +140,7 @@ int dmi_available;
 static void __init dmi_save_ident(const struct dmi_header *dm, int slot, int string)
 {
        const char *d = (const char*) dm;
-       char *p;
+       const char *p;
 
        if (dmi_ident[slot])
                return;
@@ -246,7 +246,7 @@ static void __init dmi_save_oem_strings_devices(const struct dmi_header *dm)
        struct dmi_device *dev;
 
        for (i = 1; i <= count; i++) {
-               char *devname = dmi_string(dm, i);
+               const char *devname = dmi_string(dm, i);
 
                if (devname == dmi_empty_string)
                        continue;