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SubjectRe: [OOPS] 2.5.62, bootup, do_add_mount
On Tue, Feb 25, 2003 at 12:04:48AM -0800, Andrew Morton wrote:
> Maneesh Soni <maneesh@in.ibm.com> wrote:
> >
> >
> > Hi Peter,
> >
> > presto_get_sb() is returning error resulting in the following NULL
> > pointer reference in do_kern_mount(). The following patch corrects
> > it.
> >
>
> It should be returning some ERR_PTR value. Seems that presto_get_sb() isn't
> very careful in tracking the reason for the failed mount, so
>
> return ERR_PTR(-EINVAL);
>
> should suffice.

Actually previous fix I posted is not correct also. Returning -EINVAL seems
logical.


diff -urN linux-2.5.63-base/fs/intermezzo/super.c linux-2.5.63-presto_get_sb/fs/intermezzo/super.c
--- linux-2.5.63-base/fs/intermezzo/super.c 2003-02-25 00:36:01.000000000 +0530
+++ linux-2.5.63-presto_get_sb/fs/intermezzo/super.c 2003-02-25 15:14:09.000000000 +0530
@@ -318,7 +318,7 @@

CDEBUG(D_MALLOC, "mount error exit: kmem %ld, vmem %ld\n",
presto_kmemory, presto_vmemory);
- return NULL;
+ return ERR_PTR(-EINVAL);
}


Regards,
Maneesh
--
Maneesh Soni
IBM Linux Technology Center,
IBM India Software Lab, Bangalore.
Phone: +91-80-5044999 email: maneesh@in.ibm.com
http://lse.sourceforge.net/
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