dio: struct device - replace bus_id with dev_name(), dev_set_name()

[safe/jmp/linux-2.6] / fs / pipe.c

diff --git a/fs/pipe.c b/fs/pipe.c
index 7aea8b8..14f502b 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)
@@ -899,8 +899,8 @@ static struct inode * get_pipe_inode(void)
         */
        inode->i_state = I_DIRTY;
        inode->i_mode = S_IFIFO | S_IRUSR | S_IWUSR;
-       inode->i_uid = current->fsuid;
-       inode->i_gid = current->fsgid;
+       inode->i_uid = current_fsuid();
+       inode->i_gid = current_fsgid();
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 
        return inode;
@@ -1016,10 +1016,7 @@ int do_pipe_flags(int *fd, int flags)
                goto err_fdr;
        fdw = error;
 
-       error = audit_fd_pair(fdr, fdw);
-       if (error < 0)
-               goto err_fdw;
-
+       audit_fd_pair(fdr, fdw);
        fd_install(fdr, fr);
        fd_install(fdw, fw);
        fd[0] = fdr;
@@ -1027,8 +1024,6 @@ int do_pipe_flags(int *fd, int flags)
 
        return 0;
 
- err_fdw:
-       put_unused_fd(fdw);
  err_fdr:
        put_unused_fd(fdr);
  err_read_pipe:
@@ -1048,7 +1043,7 @@ int do_pipe(int *fd)
  * 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;
@@ -1064,7 +1059,7 @@ 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);
 }