constify dentry_operations: rest

[mirror_ubuntu-artful-kernel.git] / fs / pipe.c

diff --git a/fs/pipe.c b/fs/pipe.c
index 891697112f6620c9d25f4c080f2654962b45d1b9..6ddf05209a4ca2d32f93772b4a74a3a570242203 100644 (file)
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -699,12 +699,12 @@ pipe_rdwr_fasync(int fd, struct file *filp, int on)
        int retval;
 
        mutex_lock(&inode->i_mutex);
-
        retval = fasync_helper(fd, filp, on, &pipe->fasync_readers);
-
-       if (retval >= 0)
+       if (retval >= 0) {
                retval = fasync_helper(fd, filp, on, &pipe->fasync_writers);
-
+               if (retval < 0) /* this can happen only if on == T */
+                       fasync_helper(-1, filp, 0, &pipe->fasync_readers);
+       }
        mutex_unlock(&inode->i_mutex);
 
        if (retval < 0)
@@ -870,7 +870,7 @@ static char *pipefs_dname(struct dentry *dentry, char *buffer, int buflen)
                                dentry->d_inode->i_ino);
 }
 
-static struct dentry_operations pipefs_dentry_operations = {
+static const struct dentry_operations pipefs_dentry_operations = {
        .d_delete       = pipefs_delete_dentry,
        .d_dname        = pipefs_dname,
 };
@@ -1034,16 +1034,11 @@ int do_pipe_flags(int *fd, int flags)
        return error;
 }
 
-int do_pipe(int *fd)
-{
-       return do_pipe_flags(fd, 0);
-}
-
 /*
  * sys_pipe() is the normal C calling standard for creating
  * a pipe. It's not the way Unix traditionally does this, though.
  */
-asmlinkage long __weak sys_pipe2(int __user *fildes, int flags)
+SYSCALL_DEFINE2(pipe2, int __user *, fildes, int, flags)
 {
        int fd[2];
        int error;
@@ -1059,7 +1054,7 @@ asmlinkage long __weak sys_pipe2(int __user *fildes, int flags)
        return error;
 }
 
-asmlinkage long __weak sys_pipe(int __user *fildes)
+SYSCALL_DEFINE1(pipe, int __user *, fildes)
 {
        return sys_pipe2(fildes, 0);
 }