Re: 2.6.22-rc6(mm1) Unable to handle kernel NULL pointer dereference - git-bisect result

[Al Viro]

On Sun, Jul 08, 2007 at 11:30:15AM -0700, Linus Torvalds wrote:
>  - non-owners can set it only when they have write permissions, and if it 
>    was a file descriptor, the only way for us to know that they have write 
>    permissions is if it's opened writably, which is hopefully equivalent 
>    to that MAY_WRITE test (except the MAY_WRITE test was done at _open_ 
>    time).
> 
> This would seem to be the minimal change, and I think it's right.

Yeah, FMODE_WRITE is probably right.
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