Messages in this thread Patch in this message |  | | Date | Thu, 1 Nov 2001 11:36:21 -0600 (CST) | From | Mike Phillips <> | Subject | [PATCH] Olympic driver bug fix |
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It is possible to panic the kernel with the olympic driver by setting the mtu to a low value. This bug only surfaced after the fix to stop pkacets being dropped by the socket code.
Simply one liner, patch is against 2.4.13.
Please apply, thanks
Mike Phillips Linux Token Ring Project http://www.linuxtr.net
--- linux.orig/drivers/net/tokenring/olympic.c.orig Fri Oct 12 08:39:43 2001 +++ linux-2.4.13/drivers/net/tokenring/olympic.c Fri Oct 12 08:47:20 2001 @@ -737,7 +737,7 @@ } else { if (buffer_cnt == 1) { - skb = dev_alloc_skb(olympic_priv->pkt_buf_sz) ; + skb = dev_alloc_skb(max_t(int, olympic_priv->pkt_buf_sz,length)) ; } else { skb = dev_alloc_skb(length) ; } @@ -1722,4 +1722,4 @@ module_init(olympic_pci_init) ; module_exit(olympic_pci_cleanup) ; -MODULE_LICENSE("GPL"); \ No newline at end of file +MODULE_LICENSE("GPL"); - 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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