switch xattr syscalls to fget_light/fput_light

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 12 insertions, 8 deletions

diff --git a/fs/xattr.c b/fs/xattr.c
index 3c8c1cc333c7..1d7ac3790458 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -399,11 +399,12 @@ SYSCALL_DEFINE5(lsetxattr, const char __user *, pathname,
 SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,
                 const void __user *,value, size_t, size, int, flags)
 {
+        int fput_needed;
         struct file *f;
         struct dentry *dentry;
         int error = -EBADF;
 
-        f = fget(fd);
+        f = fget_light(fd, &fput_needed);
         if (!f)
                 return error;
         dentry = f->f_path.dentry;
@@ -413,7 +414,7 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,
                 error = setxattr(dentry, name, value, size, flags);
                 mnt_drop_write_file(f);
         }
-        fput(f);
+        fput_light(f, fput_needed);
         return error;
 }
 
@@ -486,15 +487,16 @@ SYSCALL_DEFINE4(lgetxattr, const char __user *, pathname,
 SYSCALL_DEFINE4(fgetxattr, int, fd, const char __user *, name,
                 void __user *, value, size_t, size)
 {
+        int fput_needed;
         struct file *f;
         ssize_t error = -EBADF;
 
-        f = fget(fd);
+        f = fget_light(fd, &fput_needed);
         if (!f)
                 return error;
         audit_inode(NULL, f->f_path.dentry);
         error = getxattr(f->f_path.dentry, name, value, size);
-        fput(f);
+        fput_light(f, fput_needed);
         return error;
 }
 
@@ -566,15 +568,16 @@ SYSCALL_DEFINE3(llistxattr, const char __user *, pathname, char __user *, list,
 
 SYSCALL_DEFINE3(flistxattr, int, fd, char __user *, list, size_t, size)
 {
+        int fput_needed;
         struct file *f;
         ssize_t error = -EBADF;
 
-        f = fget(fd);
+        f = fget_light(fd, &fput_needed);
         if (!f)
                 return error;
         audit_inode(NULL, f->f_path.dentry);
         error = listxattr(f->f_path.dentry, list, size);
-        fput(f);
+        fput_light(f, fput_needed);
         return error;
 }
 
@@ -634,11 +637,12 @@ SYSCALL_DEFINE2(lremovexattr, const char __user *, pathname,
 
 SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)
 {
+        int fput_needed;
         struct file *f;
         struct dentry *dentry;
         int error = -EBADF;
 
-        f = fget(fd);
+        f = fget_light(fd, &fput_needed);
         if (!f)
                 return error;
         dentry = f->f_path.dentry;
@@ -648,7 +652,7 @@ SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)
                 error = removexattr(dentry, name);
                 mnt_drop_write_file(f);
         }
-        fput(f);
+        fput_light(f, fput_needed);
         return error;
 }