Messages in this thread | | | Date | Thu, 16 Mar 2006 11:20:45 +0000 | From | Ralf Baechle <> | Subject | Re: [PATCH] Hamradio: Fix a NULL pointer dereference in net/hamradio/mkiss.c |
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On Thu, Mar 16, 2006 at 02:42:11PM +0800, Eugene Teo wrote:
> Pointer ax is dereferenced before NULL check. > > Coverity bug #817
Coverity non-bug #817. The line discipline's ioctl method can only be called as long as sp_get(tty) is valid. Same for mkiss.
Unless I'm wrong on the "locking rules" of the tty code that is and maybe that unobviousness is the real reason why the patch should be applied.
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