kmod/SOURCES/kmod-modprobe-ignore-builtin-module-on-recursive-removing.patch

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2020-04-28 09:38:06 +00:00
From 52a0ba82e1ad180f9f91920db70a758fac49466a Mon Sep 17 00:00:00 2001
From: Yauheni Kaliuta <yauheni.kaliuta@redhat.com>
Date: Thu, 31 Oct 2019 20:12:53 +0200
Subject: [PATCH] modprobe: ignore builtin module on recursive removing
If there are built-in dependencies and any of them is built-in in
the kernel, modprobe -r fails with
modprobe: FATAL: Module module_name is builtin.
It makes sense to ignore such dependencies for the case when
removing is called for non-top level module.
Example: cifs module, it declares bunch of softdeps and the first
one fails on some kernel configs:
modprobe: FATAL: Module gcm is builtin.
Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com>
---
tools/modprobe.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/tools/modprobe.c b/tools/modprobe.c
index a9e2331567af..44cd15c2bf57 100644
--- a/tools/modprobe.c
+++ b/tools/modprobe.c
@@ -353,7 +353,8 @@ static int rmmod_do_remove_module(struct kmod_module *mod)
return err;
}
-static int rmmod_do_module(struct kmod_module *mod, bool do_dependencies);
+static int rmmod_do_module(struct kmod_module *mod, bool do_dependencies,
+ bool ignore_builtin);
static int rmmod_do_deps_list(struct kmod_list *list, bool stop_on_errors)
{
@@ -361,7 +362,7 @@ static int rmmod_do_deps_list(struct kmod_list *list, bool stop_on_errors)
kmod_list_foreach_reverse(l, list) {
struct kmod_module *m = kmod_module_get_module(l);
- int r = rmmod_do_module(m, false);
+ int r = rmmod_do_module(m, false, true);
kmod_module_unref(m);
if (r < 0 && stop_on_errors)
@@ -371,7 +372,8 @@ static int rmmod_do_deps_list(struct kmod_list *list, bool stop_on_errors)
return 0;
}
-static int rmmod_do_module(struct kmod_module *mod, bool do_dependencies)
+static int rmmod_do_module(struct kmod_module *mod, bool do_dependencies,
+ bool ignore_builtin)
{
const char *modname = kmod_module_get_name(mod);
struct kmod_list *pre = NULL, *post = NULL;
@@ -401,8 +403,12 @@ static int rmmod_do_module(struct kmod_module *mod, bool do_dependencies)
}
goto error;
} else if (state == KMOD_MODULE_BUILTIN) {
- LOG("Module %s is builtin.\n", modname);
- err = -ENOENT;
+ if (ignore_builtin) {
+ err = 0;
+ } else {
+ LOG("Module %s is builtin.\n", modname);
+ err = -ENOENT;
+ }
goto error;
}
}
@@ -462,7 +468,7 @@ static int rmmod(struct kmod_ctx *ctx, const char *alias)
kmod_list_foreach(l, list) {
struct kmod_module *mod = kmod_module_get_module(l);
- err = rmmod_do_module(mod, true);
+ err = rmmod_do_module(mod, true, false);
kmod_module_unref(mod);
if (err < 0)
break;
--
2.24.0