libstring_helpers.c:string_get_size(): return void

string_get_size() was documented to return an error, but in fact always
returned 0.  Since the output always fits in 9 bytes, just document that
and let callers do what they do now: pass a small stack buffer and ignore
the return value.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
index 6eb567ac56bc..657571817260 100644
--- a/include/linux/string_helpers.h
+++ b/include/linux/string_helpers.h
@@ -10,8 +10,8 @@ enum string_size_units {
         STRING_UNITS_2,         /* use binary powers of 2^10 */
 };
 
-int string_get_size(u64 size, enum string_size_units units,
-                    char *buf, int len);
+void string_get_size(u64 size, enum string_size_units units,
+                     char *buf, int len);
 
 #define UNESCAPE_SPACE          0x01
 #define UNESCAPE_OCTAL          0x02