4 files changed, 5 insertions, 5 deletions

diff --git a/mm/filemap.c b/mm/filemap.c
index f8c69273c37f..f5769b4dc075 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1766,7 +1766,7 @@ int should_remove_suid(struct dentry *dentry)
         if (unlikely((mode & S_ISGID) && (mode & S_IXGRP)))
                 kill |= ATTR_KILL_SGID;
 
-        if (unlikely(kill && !capable(CAP_FSETID)))
+        if (unlikely(kill && !capable(CAP_FSETID) && S_ISREG(mode)))
                 return kill;
 
         return 0;
diff --git a/mm/memory.c b/mm/memory.c
index 0a2010a9518c..7b9db658aca2 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2266,7 +2266,7 @@ int vmtruncate(struct inode * inode, loff_t offset)
                 unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1);
         }
 
-        if (inode->i_op && inode->i_op->truncate)
+        if (inode->i_op->truncate)
                 inode->i_op->truncate(inode);
         return 0;
 
@@ -2286,7 +2286,7 @@ int vmtruncate_range(struct inode *inode, loff_t offset, loff_t end)
          * a way to truncate a range of blocks (punch a hole) -
          * we should return failure right now.
          */
-        if (!inode->i_op || !inode->i_op->truncate_range)
+        if (!inode->i_op->truncate_range)
                 return -ENOSYS;
 
         mutex_lock(&inode->i_mutex);
diff --git a/mm/msync.c b/mm/msync.c
index 144a7570535d..07dae08cf31c 100644
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -82,7 +82,7 @@ asmlinkage long sys_msync(unsigned long start, size_t len, int flags)
                                 (vma->vm_flags & VM_SHARED)) {
                         get_file(file);
                         up_read(&mm->mmap_sem);
-                        error = do_fsync(file, 0);
+                        error = vfs_fsync(file, file->f_path.dentry, 0);
                         fput(file);
                         if (error || start >= end)
                                 goto out;
diff --git a/mm/nommu.c b/mm/nommu.c
index 7695dc850785..1c28ea3a4e9c 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -86,7 +86,7 @@ do_expand:
         i_size_write(inode, offset);
 
 out_truncate:
-        if (inode->i_op && inode->i_op->truncate)
+        if (inode->i_op->truncate)
                 inode->i_op->truncate(inode);
         return 0;
 out_sig: