1 files changed, 2 insertions, 11 deletions

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 79866bc6b3a1..28176d083f7b 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -968,8 +968,6 @@ static ssize_t cpuset_common_file_read(struct file *file, char __user *buf,
         char *page;
         ssize_t retval = 0;
         char *s;
-        char *start;
-        size_t n;
 
         if (!(page = (char *)__get_free_page(GFP_KERNEL)))
                 return -ENOMEM;
@@ -999,14 +997,7 @@ static ssize_t cpuset_common_file_read(struct file *file, char __user *buf,
         *s++ = '\n';
         *s = '\0';
 
-        /* Do nothing if *ppos is at the eof or beyond the eof. */
-        if (s - page <= *ppos)
-                return 0;
-
-        start = page + *ppos;
-        n = s - start;
-        retval = n - copy_to_user(buf, start, min(n, nbytes));
-        *ppos += retval;
+        retval = simple_read_from_buffer(buf, nbytes, ppos, page, s - page);
 out:
         free_page((unsigned long)page);
         return retval;
@@ -1679,7 +1670,7 @@ static const struct cpuset *nearest_exclusive_ancestor(const struct cpuset *cs)
  *      GFP_USER     - only nodes in current tasks mems allowed ok.
  **/
 
-int cpuset_zone_allowed(struct zone *z, unsigned int __nocast gfp_mask)
+int cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask)
 {
         int node;                       /* node that zone z is on */
         const struct cpuset *cs;        /* current cpuset ancestors */