Re: [PATCH] Be a bit defensive in quirk_nvidia_ck804() so we don't risk dereferencing a NULL pdev.

On Sat, 2 Dec 2006 00:21:56 +0100
Jesper Juhl <[email protected]> wrote:

> pci_get_slot() may return NULL if nothing was found. 
> quirk_nvidia_ck804() does not check the value returned from pci_get_slot(),
> so it may end up causing a NULL pointer deref.
> 
> 
> Signed-off-by: Jesper Juhl <[email protected]>

I don't think its a physically possible case but it does no harm and
it'll kill boot if it happens

Acked-by: Alan Cox <[email protected]>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

References:
- [PATCH] Be a bit defensive in quirk_nvidia_ck804() so we don't risk dereferencing a NULL pdev.
  - From: Jesper Juhl <[email protected]>

Prev by Date: Re: [GIT PATCH] PCI patches for 2.6.19
Next by Date: [PATCH] introduce put_pid_rcu() to fix unsafe put_pid(vc->vt_pid)
Previous by thread: [PATCH] Be a bit defensive in quirk_nvidia_ck804() so we don't risk dereferencing a NULL pdev.
Next by thread: Re: [PATCH] Be a bit defensive in quirk_nvidia_ck804() so we don't risk dereferencing a NULL pdev.
Index(es):
- Date
- Thread

[Index of Archives] [Kernel Newbies] [Netfilter] [Bugtraq] [Photo] [Stuff] [Gimp] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Video 4 Linux] [Linux for the blind] [Linux Resources]