From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/include/linux/bsearch.h | 26 ++++++++++++++++++++++++--
1 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/kernel/include/linux/bsearch.h b/kernel/include/linux/bsearch.h
index 62b1eb3..e66b711 100644
--- a/kernel/include/linux/bsearch.h
+++ b/kernel/include/linux/bsearch.h
@@ -4,7 +4,29 @@
#include <linux/types.h>
-void *bsearch(const void *key, const void *base, size_t num, size_t size,
- int (*cmp)(const void *key, const void *elt));
+static __always_inline
+void *__inline_bsearch(const void *key, const void *base, size_t num, size_t size, cmp_func_t cmp)
+{
+ const char *pivot;
+ int result;
+
+ while (num > 0) {
+ pivot = base + (num >> 1) * size;
+ result = cmp(key, pivot);
+
+ if (result == 0)
+ return (void *)pivot;
+
+ if (result > 0) {
+ base = pivot + size;
+ num--;
+ }
+ num >>= 1;
+ }
+
+ return NULL;
+}
+
+extern void *bsearch(const void *key, const void *base, size_t num, size_t size, cmp_func_t cmp);
#endif /* _LINUX_BSEARCH_H */
--
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