staging/lustre/llite: Properly mark ll_obd_statfs argument as __user

Also update all callers.
This fixes a bunch of address space mismatch warnings from sparse.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c
index 5cfe8bb..5b41162 100644 (file)
--- a/drivers/staging/lustre/lustre/llite/dir.c
+++ b/drivers/staging/lustre/lustre/llite/dir.c
@@ -1434,7 +1434,7 @@ free_lmv:
        case LL_IOC_LOV_SWAP_LAYOUTS:
                return -EPERM;
        case LL_IOC_OBD_STATFS:
-               return ll_obd_statfs(inode, (void *)arg);
+               return ll_obd_statfs(inode, (void __user *)arg);
        case LL_IOC_LOV_GETSTRIPE:
        case LL_IOC_MDC_GETINFO:
        case IOC_MDC_GETFILEINFO:

diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c
index c91b5b4..6652fdf 100644 (file)
--- a/drivers/staging/lustre/lustre/llite/file.c
+++ b/drivers/staging/lustre/lustre/llite/file.c
@@ -2278,7 +2278,7 @@ ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
        case LL_IOC_GROUP_UNLOCK:
                return ll_put_grouplock(inode, file, arg);
        case IOC_OBD_STATFS:
-               return ll_obd_statfs(inode, (void *)arg);
+               return ll_obd_statfs(inode, (void __user *)arg);
 
        /* We need to special case any other ioctls we want to handle,
         * to send them to the MDS/OST as appropriate and to properly

diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index e730247..29c325d 100644 (file)
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -782,7 +782,7 @@ int ll_show_options(struct seq_file *seq, struct dentry *dentry);
 void ll_dirty_page_discard_warn(struct page *page, int ioret);
 int ll_prep_inode(struct inode **inode, struct ptlrpc_request *req,
                  struct super_block *, struct lookup_intent *);
-int ll_obd_statfs(struct inode *inode, void *arg);
+int ll_obd_statfs(struct inode *inode, void __user *arg);
 int ll_get_max_mdsize(struct ll_sb_info *sbi, int *max_mdsize);
 int ll_get_default_mdsize(struct ll_sb_info *sbi, int *default_mdsize);
 int ll_process_config(struct lustre_cfg *lcfg);

diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c
index efff830..68fa766 100644 (file)
--- a/drivers/staging/lustre/lustre/llite/llite_lib.c
+++ b/drivers/staging/lustre/lustre/llite/llite_lib.c
@@ -2019,7 +2019,7 @@ cleanup:
        return rc;
 }
 
-int ll_obd_statfs(struct inode *inode, void *arg)
+int ll_obd_statfs(struct inode *inode, void __user *arg)
 {
        struct ll_sb_info *sbi = NULL;
        struct obd_export *exp;