Re: No copy_from_user() in sys_umount() ???

Bill Hawes (whawes@star.net)
Fri, 16 Jan 1998 09:22:05 -0500

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Richard Gooch wrote:
>
> Hi, Linus. I noticed that there is no call to copy_from_user() in
> either sys_umount() or umount_dev(), even though the <name> parameter
> is passed in from user space. Is there some deep magic I'm missing, or
> is this a bug?

It's not a problem -- the name parameter is used only for the namei()
call, which expects a user-space string and copies it.

Regards,
Bill

Next message: Chris Evans: "Re: [RFC]: linux/drivers/compression"
Previous message: Paul Wouters: "Re: ext2_free_inode errors (with 2.0.32)"
Maybe in reply to: Richard Gooch: "No copy_from_user() in sys_umount() ???"
Next in thread: Michael Elizabeth Chastain: "Re: No copy_from_user() in sys_umount() ???"