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Diffstat (limited to 'kernel/module')
-rw-r--r--kernel/module/main.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/kernel/module/main.c b/kernel/module/main.c
index 413ac6ea3702..c2c08007029d 100644
--- a/kernel/module/main.c
+++ b/kernel/module/main.c
@@ -1573,8 +1573,14 @@ static int apply_relocations(struct module *mod, const struct load_info *info)
if (infosec >= info->hdr->e_shnum)
continue;
- /* Don't bother with non-allocated sections */
- if (!(info->sechdrs[infosec].sh_flags & SHF_ALLOC))
+ /*
+ * Don't bother with non-allocated sections.
+ * An exception is the percpu section, which has separate allocations
+ * for individual CPUs. We relocate the percpu section in the initial
+ * ELF template and subsequently copy it to the per-CPU destinations.
+ */
+ if (!(info->sechdrs[infosec].sh_flags & SHF_ALLOC) &&
+ (!infosec || infosec != info->index.pcpu))
continue;
if (info->sechdrs[i].sh_flags & SHF_RELA_LIVEPATCH)
@@ -2696,9 +2702,8 @@ static int find_module_sections(struct module *mod, struct load_info *info)
static int move_module(struct module *mod, struct load_info *info)
{
- int i;
- enum mod_mem_type t = 0;
- int ret = -ENOMEM;
+ int i, ret;
+ enum mod_mem_type t = MOD_MEM_NUM_TYPES;
bool codetag_section_found = false;
for_each_mod_mem_type(type) {
@@ -2776,7 +2781,7 @@ static int move_module(struct module *mod, struct load_info *info)
return 0;
out_err:
module_memory_restore_rox(mod);
- for (t--; t >= 0; t--)
+ while (t--)
module_memory_free(mod, t);
if (codetag_section_found)
codetag_free_module_sections(mod);