Subject: [folded-merged] kobject-dont-block-for-each-kobject_uevent-v2.patch removed from -mm tree
To: vdavydov@xxxxxxxxxxxxx,cl@xxxxxxxxx,greg@xxxxxxxxx,penberg@xxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Thu, 03 Apr 2014 14:08:49 -0700
The patch titled
Subject: kobject-dont-block-for-each-kobject_uevent-v2
has been removed from the -mm tree. Its filename was
kobject-dont-block-for-each-kobject_uevent-v2.patch
This patch was dropped because it was folded into kobject-dont-block-for-each-kobject_uevent.patch
------------------------------------------------------
From: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Subject: kobject-dont-block-for-each-kobject_uevent-v2
I missed that call_usermodehelper_exec() calls cleanup not only on
success, but also on failure resulting in a bunch of double frees at early
boot when khelper hasn't been initialized yet :-(
Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/kobject_uevent.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN lib/kobject_uevent.c~kobject-dont-block-for-each-kobject_uevent-v2 lib/kobject_uevent.c
--- a/lib/kobject_uevent.c~kobject-dont-block-for-each-kobject_uevent-v2
+++ a/lib/kobject_uevent.c
@@ -342,10 +342,10 @@ int kobject_uevent_env(struct kobject *k
info = call_usermodehelper_setup(env->argv[0], env->argv,
env->envp, GFP_KERNEL,
NULL, cleanup_uevent_env, env);
- if (info)
+ if (info) {
retval = call_usermodehelper_exec(info, UMH_NO_WAIT);
- if (!retval)
- env = NULL; /* will be freed by cleanup_uevent_env */
+ env = NULL; /* freed by cleanup_uevent_env */
+ }
}
exit:
_
Patches currently in -mm which might be from vdavydov@xxxxxxxxxxxxx are
origin.patch
mm-vmscan-respect-numa-policy-mask-when-shrinking-slab-on-direct-reclaim.patch
mm-vmscan-move-call-to-shrink_slab-to-shrink_zones.patch
mm-vmscan-remove-shrink_control-arg-from-do_try_to_free_pages.patch
mm-vmscan-shrink_slab-rename-max_pass-freeable.patch
kobject-dont-block-for-each-kobject_uevent.patch
slub-do-not-drop-slab_mutex-for-sysfs_slab_add.patch
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