On Sat, Dec 27, 2014 at 02:17:37PM -0600, Larry Finger wrote: > These drivers use 9100-byte receive buffers, thus allocating an skb requires > an O(3) memory allocation. Under heavy memory loads and fragmentation, such > a request can fail. Previous versions of the driver have dropped the packet > and reused the old buffer; however, the new version introduced a bug in that > it released the old buffer before trying to allocate a new one. The previous > method is implemented here. It looks like in the out-of-memory path, pci_map_single() gets called while the skb is still mapped. Won't this leak the IOMMU mapping? -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
