Messages in this thread Patch in this message | | | Date | Fri, 16 Apr 2004 22:20:04 +0100 | From | Dave Jones <> | Subject | baycom_par dereference before check. |
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--- linux-2.6.5/drivers/net/hamradio/baycom_par.c~ 2004-04-16 22:18:53.000000000 +0100 +++ linux-2.6.5/drivers/net/hamradio/baycom_par.c 2004-04-16 22:19:33.000000000 +0100 @@ -272,9 +272,13 @@ static void par96_interrupt(int irq, void *dev_id, struct pt_regs *regs) { struct net_device *dev = (struct net_device *)dev_id; - struct baycom_state *bc = netdev_priv(dev); + struct baycom_state *bc; - if (!dev || !bc || bc->hdrv.magic != HDLCDRV_MAGIC) + if (!dev) + return; + + bc = netdev_priv(dev); + if (!bc || bc->hdrv.magic != HDLCDRV_MAGIC) return; baycom_int_freq(bc); - 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/
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