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-rw-r--r--fs/pipe.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/fs/pipe.c b/fs/pipe.c
index aaf797bd57b..14f502b89cf 100644
--- 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)
@@ -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);
}