mirror of https://gitee.com/openkylin/linux.git
module: fix build warning with !CONFIG_KALLSYMS
This patch fixed the warning: CC kernel/module.o /home/wangcong/Projects/linux-2.6/kernel/module.c:332: warning: ‘lookup_symbol’ defined but not used Signed-off-by: WANG Cong <wangcong@zeuux.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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@ -325,18 +325,6 @@ static unsigned long find_symbol(const char *name,
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return -ENOENT;
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}
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/* lookup symbol in given range of kernel_symbols */
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static const struct kernel_symbol *lookup_symbol(const char *name,
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const struct kernel_symbol *start,
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const struct kernel_symbol *stop)
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{
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const struct kernel_symbol *ks = start;
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for (; ks < stop; ks++)
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if (strcmp(ks->name, name) == 0)
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return ks;
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return NULL;
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}
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/* Search for module by name: must hold module_mutex. */
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static struct module *find_module(const char *name)
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{
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@ -1703,6 +1691,19 @@ static void setup_modinfo(struct module *mod, Elf_Shdr *sechdrs,
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}
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#ifdef CONFIG_KALLSYMS
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/* lookup symbol in given range of kernel_symbols */
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static const struct kernel_symbol *lookup_symbol(const char *name,
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const struct kernel_symbol *start,
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const struct kernel_symbol *stop)
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{
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const struct kernel_symbol *ks = start;
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for (; ks < stop; ks++)
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if (strcmp(ks->name, name) == 0)
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return ks;
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return NULL;
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}
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static int is_exported(const char *name, const struct module *mod)
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{
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if (!mod && lookup_symbol(name, __start___ksymtab, __stop___ksymtab))
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