string: on strstrip(), first remove leading spaces before running over str

... so that strlen() iterates over a smaller string comprising of the
remaining characters only.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
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/lib/string.c b/lib/string.c
index 3a912a4e9a63..765566a6a088 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -364,8 +364,8 @@ char *strstrip(char *s)
         size_t size;
         char *end;
 
+        s = skip_spaces(s);
         size = strlen(s);
-
         if (!size)
                 return s;
 
@@ -374,7 +374,7 @@ char *strstrip(char *s)
                 end--;
         *(end + 1) = '\0';
 
-        return skip_spaces(s);
+        return s;
 }
 EXPORT_SYMBOL(strstrip);