x86: mtrr: if: remove use of seq_printf return value

The seq_printf return value, because it's frequently misused,
will eventually be converted to void.

See: commit 1f33c41c03da ("seq_file: Rename seq_overflow() to
     seq_has_overflowed() and make public")

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c
index a041e09..d76f13d 100644 (file)
--- a/arch/x86/kernel/cpu/mtrr/if.c
+++ b/arch/x86/kernel/cpu/mtrr/if.c
@@ -404,11 +404,10 @@ static const struct file_operations mtrr_fops = {
 static int mtrr_seq_show(struct seq_file *seq, void *offset)
 {
        char factor;
-       int i, max, len;
+       int i, max;
        mtrr_type type;
        unsigned long base, size;
 
-       len = 0;
        max = num_var_ranges;
        for (i = 0; i < max; i++) {
                mtrr_if->get(i, &base, &size, &type);
@@ -425,11 +424,10 @@ static int mtrr_seq_show(struct seq_file *seq, void *offset)
                        size >>= 20 - PAGE_SHIFT;
                }
                /* Base can be > 32bit */
-               len += seq_printf(seq, "reg%02i: base=0x%06lx000 "
-                       "(%5luMB), size=%5lu%cB, count=%d: %s\n",
-                       i, base, base >> (20 - PAGE_SHIFT), size,
-                       factor, mtrr_usage_table[i],
-                       mtrr_attrib_to_str(type));
+               seq_printf(seq, "reg%02i: base=0x%06lx000 (%5luMB), size=%5lu%cB, count=%d: %s\n",
+                          i, base, base >> (20 - PAGE_SHIFT),
+                          size, factor,
+                          mtrr_usage_table[i], mtrr_attrib_to_str(type));
        }
        return 0;
 }