mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 10:15:11 +02:00
c537863342
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13096 3c298f89-4303-0410-b956-a3cf2f4a3e73
203 lines
4.6 KiB
Diff
203 lines
4.6 KiB
Diff
--- a/ath/if_athvar.h
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+++ b/ath/if_athvar.h
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@@ -126,6 +126,11 @@ typedef void irqreturn_t;
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#define ATH_GET_NETDEV_DEV(ndev) ((ndev)->class_dev.dev)
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#endif
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+#ifndef NETDEV_TX_OK
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+#define NETDEV_TX_OK 0
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+#define NETDEV_TX_BUSY 1
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+#endif
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+
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23)
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static inline struct net_device *_alloc_netdev(int sizeof_priv, const char *mask,
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void (*setup)(struct net_device *))
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--- a/ath/if_ath_radar.c
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+++ b/ath/if_ath_radar.c
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@@ -92,6 +92,13 @@
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#define nofloat_pct(_value, _pct) \
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( (_value * (1000 + _pct)) / 1000 )
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+#ifndef list_for_each_entry_reverse
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+#define list_for_each_entry_reverse(pos, head, member) \
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+ for (pos = list_entry((head)->prev, typeof(*pos), member); \
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+ prefetch(pos->member.prev), &pos->member != (head); \
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+ pos = list_entry(pos->member.prev, typeof(*pos), member))
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+#endif
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+
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struct radar_pattern_specification {
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/* The name of the rule/specification (i.e. what did we detect) */
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const char *name;
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--- a/ath/if_ath.c
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+++ b/ath/if_ath.c
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@@ -4705,6 +4705,46 @@ ath_beacon_setup(struct ath_softc *sc, s
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#undef USE_SHPREAMBLE
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}
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
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+static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
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+{
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+ int ret;
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+ unsigned long flags;
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+
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+ local_irq_save(flags);
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+ ret = v->counter;
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+ if (likely(ret == old))
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+ v->counter = new;
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+ local_irq_restore(flags);
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+
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+ return ret;
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+}
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+
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+/**
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+ * atomic_add_unless - add unless the number is a given value
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+ * @v: pointer of type atomic_t
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+ * @a: the amount to add to v...
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+ * @u: ...unless v is equal to u.
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+ *
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+ * Atomically adds @a to @v, so long as it was not @u.
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+ * Returns non-zero if @v was not @u, and zero otherwise.
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+ */
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+static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
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+{
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+ int c, old;
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+ c = atomic_read(v);
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+ for (;;) {
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+ if (unlikely(c == (u)))
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+ break;
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+ old = atomic_cmpxchg((v), c, c + (a));
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+ if (likely(old == c))
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+ break;
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+ c = old;
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+ }
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+ return c != (u);
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+}
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+#endif
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+
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/*
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* Generate beacon frame and queue cab data for a VAP.
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*/
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--- /dev/null
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+++ b/net80211/sort.c
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@@ -0,0 +1,120 @@
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+/*
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+ * A fast, small, non-recursive O(nlog n) sort for the Linux kernel
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+ *
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+ * Jan 23 2005 Matt Mackall <mpm@selenic.com>
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/module.h>
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+#include <linux/slab.h>
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+
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+static void u32_swap(void *a, void *b, int size)
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+{
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+ u32 t = *(u32 *)a;
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+ *(u32 *)a = *(u32 *)b;
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+ *(u32 *)b = t;
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+}
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+
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+static void generic_swap(void *a, void *b, int size)
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+{
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+ char t;
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+
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+ do {
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+ t = *(char *)a;
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+ *(char *)a++ = *(char *)b;
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+ *(char *)b++ = t;
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+ } while (--size > 0);
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+}
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+
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+/**
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+ * sort - sort an array of elements
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+ * @base: pointer to data to sort
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+ * @num: number of elements
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+ * @size: size of each element
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+ * @cmp: pointer to comparison function
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+ * @swap: pointer to swap function or NULL
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+ *
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+ * This function does a heapsort on the given array. You may provide a
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+ * swap function optimized to your element type.
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+ *
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+ * Sorting time is O(n log n) both on average and worst-case. While
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+ * qsort is about 20% faster on average, it suffers from exploitable
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+ * O(n*n) worst-case behavior and extra memory requirements that make
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+ * it less suitable for kernel use.
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+ */
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+
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+static void sort(void *base, size_t num, size_t size,
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+ int (*cmp)(const void *, const void *),
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+ void (*swap)(void *, void *, int size))
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+{
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+ /* pre-scale counters for performance */
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+ int i = (num/2 - 1) * size, n = num * size, c, r;
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+
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+ if (!swap)
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+ swap = (size == 4 ? u32_swap : generic_swap);
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+
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+ /* heapify */
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+ for ( ; i >= 0; i -= size) {
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+ for (r = i; r * 2 + size < n; r = c) {
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+ c = r * 2 + size;
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+ if (c < n - size && cmp(base + c, base + c + size) < 0)
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+ c += size;
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+ if (cmp(base + r, base + c) >= 0)
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+ break;
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+ swap(base + r, base + c, size);
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+ }
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+ }
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+
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+ /* sort */
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+ for (i = n - size; i >= 0; i -= size) {
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+ swap(base, base + i, size);
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+ for (r = 0; r * 2 + size < i; r = c) {
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+ c = r * 2 + size;
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+ if (c < i - size && cmp(base + c, base + c + size) < 0)
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+ c += size;
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+ if (cmp(base + r, base + c) >= 0)
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+ break;
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+ swap(base + r, base + c, size);
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+ }
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+ }
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+}
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+
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+EXPORT_SYMBOL(sort);
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+
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+#if 0
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+/* a simple boot-time regression test */
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+
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+int cmpint(const void *a, const void *b)
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+{
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+ return *(int *)a - *(int *)b;
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+}
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+
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+static int sort_test(void)
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+{
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+ int *a, i, r = 1;
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+
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+ a = kmalloc(1000 * sizeof(int), GFP_KERNEL);
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+ BUG_ON(!a);
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+
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+ printk("testing sort()\n");
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+
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+ for (i = 0; i < 1000; i++) {
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+ r = (r * 725861) % 6599;
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+ a[i] = r;
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+ }
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+
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+ sort(a, 1000, sizeof(int), cmpint, NULL);
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+
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+ for (i = 0; i < 999; i++)
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+ if (a[i] > a[i+1]) {
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+ printk("sort() failed!\n");
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+ break;
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+ }
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+
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+ kfree(a);
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+
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+ return 0;
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+}
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+
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+module_init(sort_test);
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+#endif
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