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Commit 9a4b9708 authored by Matti Linnanvuori's avatar Matti Linnanvuori Committed by Rusty Russell
Browse files

module: fix and elaborate comments 



Fix and elaborate comments.

Signed-off-by: default avatarMatti Linnanvuori <mattilinnanvuori@yahoo.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 74b2553f

kernel/module.c

+5 −3
Original line number Diff line number Diff line
@@ -81,7 +81,8 @@ int unregister_module_notifier(struct notifier_block * nb) 
}

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_Shdr *sechdrs, 
	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,