On Sun, May 14, 2006 at 03:12:50PM +0200, Jesper Juhl wrote:
> Testing a pointer for NULL after it has already been dereferenced is not
> very safe.
> Patch below to rework yam_open() so that `dev' is not dereferenced until
> after it has been tested for NULL.
It may not obvious and that itself is some sort of bug bug netdev_priv()
assumes that the private part of struct netdev has been allocated
immediately following struct netdev, so the macro will compile into just
pointer arithmetic. So no possible NULL pointer dereference here.
Ralf
-
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/
[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]
