VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: chenzefeng <chenzefeng2@huawei.com> 2019-08-06 15:46:33 +0800 committer: Tony Luck <tony.luck@intel.com> 2019-08-06 10:19:35 -0700 commit: c5e5c48c16422521d363c33cfb0dcf58f88c119b parent: e21a712a9685488f5ce80495b37b9fdbe96c230d
Commit Summary:
ia64:unwind: fix double free for mod->arch.init_unw_table
Diffstat:
1 file changed, 6 insertions, 2 deletions
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 326448f9df16..1a42ba885188 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -914,10 +914,14 @@ module_finalize (const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *mo
 void
 module_arch_cleanup (struct module *mod)
 {
-	if (mod->arch.init_unw_table)
+	if (mod->arch.init_unw_table) {
 		unw_remove_unwind_table(mod->arch.init_unw_table);
-	if (mod->arch.core_unw_table)
+		mod->arch.init_unw_table = NULL;
+	}
+	if (mod->arch.core_unw_table) {
 		unw_remove_unwind_table(mod->arch.core_unw_table);
+		mod->arch.core_unw_table = NULL;
+	}
 }
 
 void *dereference_module_function_descriptor(struct module *mod, void *ptr)