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Date: Thu, 21 Jun 2007 18:30:09 +0530 From: "pradeep singh" <pradeep.rautela@...il.com> To: trivial@...nel.org Cc: netdev@...r.kernel.org, akpm@...ux-foundation.org, jgarzik@...ox.com, pradeep_s@....in, "Dhirendra Singh Kholia" <dhiru.kholia@...il.com> Subject: Re: [PATCH v2.6.22-rc5] cxgb2: handle possible NULL pointer dereferencing, take 2 On 6/21/07, pradeep singh <pradeep.rautela@...il.com> wrote: > Hi, > This is second submission for a possible NULL dereference handling in > the Chelsio's 10G driver. > > Thanks to Jens Axboe for pointing out my mistake of ignoring > subsequent dereferences in init_one routine. > > Thanks Apologies, looks like patch formatting got messed up during sending. Resending just in case. Signed-off-by: Pradeep Singh <pradeep.rautela@...il.com> --- drivers/net/chelsio/cxgb2.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c index 231ce43..006c634 100644 --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -1022,6 +1022,11 @@ static int __devinit init_one(struct pci_dev *pdev, mmio_start = pci_resource_start(pdev, 0); mmio_len = pci_resource_len(pdev, 0); bi = t1_get_board_info(ent->driver_data); + + if (!bi) { + CH_ERR("%s: Board info array index out of range\n",pci_name(pdev)); + goto out_disable_pdev; + } for (i = 0; i < bi->port_number; ++i) { struct net_device *netdev; -- 1.4.4.2 [snip] -- Pradeep - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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