SLUB: Support for performance statistics

[linux-2.6] / kernel / sys.c

diff --git a/kernel/sys.c b/kernel/sys.c
index 2b8e2daa9d953e3242cf2843cdebc088cf40d9b9..e3c08d4324deed268673c23ff8efd01817874d68 100644 (file)
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1145,16 +1145,16 @@ static int groups_to_user(gid_t __user *grouplist,
     struct group_info *group_info)
 {
        int i;
-       int count = group_info->ngroups;
+       unsigned int count = group_info->ngroups;
 
        for (i = 0; i < group_info->nblocks; i++) {
-               int cp_count = min(NGROUPS_PER_BLOCK, count);
-               int off = i * NGROUPS_PER_BLOCK;
-               int len = cp_count * sizeof(*grouplist);
+               unsigned int cp_count = min(NGROUPS_PER_BLOCK, count);
+               unsigned int len = cp_count * sizeof(*grouplist);
 
-               if (copy_to_user(grouplist+off, group_info->blocks[i], len))
+               if (copy_to_user(grouplist, group_info->blocks[i], len))
                        return -EFAULT;
 
+               grouplist += NGROUPS_PER_BLOCK;
                count -= cp_count;
        }
        return 0;
@@ -1165,16 +1165,16 @@ static int groups_from_user(struct group_info *group_info,
     gid_t __user *grouplist)
 {
        int i;
-       int count = group_info->ngroups;
+       unsigned int count = group_info->ngroups;
 
        for (i = 0; i < group_info->nblocks; i++) {
-               int cp_count = min(NGROUPS_PER_BLOCK, count);
-               int off = i * NGROUPS_PER_BLOCK;
-               int len = cp_count * sizeof(*grouplist);
+               unsigned int cp_count = min(NGROUPS_PER_BLOCK, count);
+               unsigned int len = cp_count * sizeof(*grouplist);
 
-               if (copy_from_user(group_info->blocks[i], grouplist+off, len))
+               if (copy_from_user(group_info->blocks[i], grouplist, len))
                        return -EFAULT;
 
+               grouplist += NGROUPS_PER_BLOCK;
                count -= cp_count;
        }
        return 0;