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authorLinus Torvalds <torvalds@linux-foundation.org>2020-12-17 13:01:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-17 13:01:31 -0800
commit312dcaf967219effe0483785f24e4072a5bed9a5 (patch)
treeffa4dbb68b062541330bd2a21a31807d37cd84c3 /kernel/params.c
parent6daa90439e91bb9a71864b02f7d0af8587ea889a (diff)
parent38dc717e97153e46375ee21797aa54777e5498f3 (diff)
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Merge tag 'modules-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull modules updates from Jessica Yu: "Summary of modules changes for the 5.11 merge window: - Fix a race condition between systemd/udev and the module loader. The module loader was sending a uevent before the module was fully initialized (i.e., before its init function has been called). This means udev can start processing the module uevent before the module has finished initializing, and some udev rules expect that the module has initialized already upon receiving the uevent. This resulted in some systemd mount units failing if udev processes the event faster than the module can finish init. This is fixed by delaying the uevent until after the module has called its init routine. - Make the linker array sections for kernel params and module version attributes more robust by switching to use the alignment of the type in question. Namely, linker section arrays will be constructed using the alignment required by the struct (using __alignof__()) as opposed to a specific value such as sizeof(void *) or sizeof(long). This is less likely to cause breakages should the size of the type ever change (Johan Hovold) - Fix module state inconsistency by setting it back to GOING when a module fails to load and is on its way out (Miroslav Benes) - Some comment and code cleanups (Sergey Shtylyov)" * tag 'modules-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux: module: delay kobject uevent until after module init call module: drop semicolon from version macro init: use type alignment for kernel parameters params: clean up module-param macros params: use type alignment for kernel parameters params: drop redundant "unused" attributes module: simplify version-attribute handling module: drop version-attribute alignment module: fix comment style module: add more 'kernel-doc' comments module: fix up 'kernel-doc' comments module: only handle errors with the *switch* statement in module_sig_check() module: avoid *goto*s in module_sig_check() module: merge repetitive strings in module_sig_check() module: set MODULE_STATE_GOING state when a module fails to load
Diffstat (limited to 'kernel/params.c')
-rw-r--r--kernel/params.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/params.c b/kernel/params.c
index 164d79330849..2daa2780a92c 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -843,18 +843,16 @@ ssize_t __modver_version_show(struct module_attribute *mattr,
return scnprintf(buf, PAGE_SIZE, "%s\n", vattr->version);
}
-extern const struct module_version_attribute *__start___modver[];
-extern const struct module_version_attribute *__stop___modver[];
+extern const struct module_version_attribute __start___modver[];
+extern const struct module_version_attribute __stop___modver[];
static void __init version_sysfs_builtin(void)
{
- const struct module_version_attribute **p;
+ const struct module_version_attribute *vattr;
struct module_kobject *mk;
int err;
- for (p = __start___modver; p < __stop___modver; p++) {
- const struct module_version_attribute *vattr = *p;
-
+ for (vattr = __start___modver; vattr < __stop___modver; vattr++) {
mk = locate_module_kobject(vattr->module_name);
if (mk) {
err = sysfs_create_file(&mk->kobj, &vattr->mattr.attr);