From: Matti Linnanvuori <[email protected]>
Fix and elaborate comments.
Signed-off-by: Matti Linnanvuori <[email protected]>
---
--- a/kernel/module.c 2007-11-08 18:21:18.762437500 +0200
+++ b/kernel/module.c 2007-11-08 18:25:57.961364500 +0200
@@ -81,7 +81,8 @@ int unregister_module_notifier(struct no
}
EXPORT_SYMBOL(unregister_module_notifier);
-/* We require a truly strong try_module_get() */
+/* We require a truly strong try_module_get(): 0 means failure due to
+ ongoing or failed initialization etc. */
static inline int strong_try_module_get(struct module *mod)
{
if (mod && mod->state == MODULE_STATE_COMING)
@@ -952,7 +953,8 @@ static unsigned long resolve_symbol(Elf_
ret = __find_symbol(name, &owner, &crc,
!(mod->taints & TAINT_PROPRIETARY_MODULE));
if (ret) {
- /* use_module can fail due to OOM, or module unloading */
+ /* use_module can fail due to OOM,
+ or module initialization or unloading */
if (!check_version(sechdrs, versindex, name, mod, crc) ||
!use_module(mod, owner))
ret = 0;
@@ -1369,7 +1371,7 @@ dup:
return ret;
}
-/* Change all symbols so that sh_value encodes the pointer directly. */
+/* Change all symbols so that st_value encodes the pointer directly. */
static int simplify_symbols(Elf_Shdr *sechdrs,
unsigned int symindex,
const char *strtab,
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