minor patch for 2.1.49 fs/pipe.c

Bill Hawes (whawes@star.net)
Tue, 12 Aug 1997 12:15:23 -0400


This is a multi-part message in MIME format.
--------------A043B07B44A842C5E4B90F69
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

Attached is a patch to test a memory allocation in fs/pipe.c.

The kernel list has been very quiet wrt bug reports -- hopefully all the
dentry oopses are fixed now.

Regards,
Bill
--------------A043B07B44A842C5E4B90F69
Content-Type: text/plain; charset=us-ascii; name="pipe_49-patch"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline; filename="pipe_49-patch"

--- fs/pipe.c.old Tue Aug 12 07:45:37 1997
+++ fs/pipe.c Tue Aug 12 09:06:25 1997
@@ -462,7 +464,11 @@
goto close_f12_inode_i;
j = error;

- f1->f_dentry = f2->f_dentry = dget(d_alloc_root(inode, NULL));
+ error = -ENOMEM;
+ f1->f_dentry = d_alloc_root(inode, NULL);
+ if (!f1->f_dentry)
+ goto close_f12_inode_i_j;
+ f2->f_dentry = dget(f1->f_dentry);

/* read file */
f1->f_pos = f2->f_pos = 0;
@@ -480,6 +486,8 @@
fd[1] = j;
return 0;

+close_f12_inode_i_j:
+ put_unused_fd(j);
close_f12_inode_i:
put_unused_fd(i);
close_f12_inode:

--------------A043B07B44A842C5E4B90F69--