Messages in this thread | | | Date | Wed, 16 Nov 2005 22:14:12 -0800 | From | Andrew Morton <> | Subject | Re: PATCH: Fix poor pointer math in devinet_sysctl_register |
| |
"Jordan Crouse" <jordan.crouse@amd.com> wrote: > > This patch fixes pointer math that under certain circumstances, results > in really bad pointers. This was encountered on a system compiled for i486, so > other compilers may differ, but I don't think it hurts anyone. > > Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> > --- > > net/ipv4/devinet.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c > index 4ec4b2c..7585fce 100644 > --- a/net/ipv4/devinet.c > +++ b/net/ipv4/devinet.c > @@ -1454,7 +1454,7 @@ static void devinet_sysctl_register(stru > return; > memcpy(t, &devinet_sysctl, sizeof(*t)); > for (i = 0; i < ARRAY_SIZE(t->devinet_vars) - 1; i++) { > - t->devinet_vars[i].data += (char *)p - (char *)&ipv4_devconf; > + t->devinet_vars[i].data += (int)((char *)p - (char *)&ipv4_devconf);
Confused. These appear to be equivalent (on 32-bit CPUs, anyway).
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |