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nerves_system_linkit linux-3.18.29 generic 310-arm_module_unresolved_weak_sym.patch
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linux-3.18.29/generic/310-arm_module_unresolved_weak_sym.patch 

--- a/arch/arm/kernel/module.c

+++ b/arch/arm/kernel/module.c

@@ -83,6 +83,10 @@ apply_relocate(Elf32_Shdr *sechdrs, cons

 			return -ENOEXEC;

 		}

 

+		if ((IS_ERR_VALUE(sym->st_value) || !sym->st_value) &&

+		    ELF_ST_BIND(sym->st_info) == STB_WEAK)

+			continue;

+

 		loc = dstsec->sh_addr + rel->r_offset;

 

 		switch (ELF32_R_TYPE(rel->r_info)) {