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* + sysfs-fail-dentry-revalidation-after-namespace-change-fix.patch added to -mm tree
@ 2012-07-09 23:13 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2012-07-09 23:13 UTC (permalink / raw)
  To: mm-commits; +Cc: akpm, ebiederm, glommer, gregkh, tj


The patch titled
     Subject: sysfs-fail-dentry-revalidation-after-namespace-change-fix
has been added to the -mm tree.  Its filename is
     sysfs-fail-dentry-revalidation-after-namespace-change-fix.patch

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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: sysfs-fail-dentry-revalidation-after-namespace-change-fix

don't assume that KOBJ_NS_TYPE_NONE==0.  Also save a test-n-branch.

Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Glauber Costa <glommer@parallels.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/sysfs/dir.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff -puN fs/sysfs/dir.c~sysfs-fail-dentry-revalidation-after-namespace-change-fix fs/sysfs/dir.c
--- a/fs/sysfs/dir.c~sysfs-fail-dentry-revalidation-after-namespace-change-fix
+++ a/fs/sysfs/dir.c
@@ -329,10 +329,12 @@ static int sysfs_dentry_revalidate(struc
 
 	/* The sysfs dirent has been moved to a different namespace */
 	type = KOBJ_NS_TYPE_NONE;
-	if (sd->s_parent)
+	if (sd->s_parent) {
 		type = sysfs_ns_type(sd->s_parent);
-	if (type && (sysfs_info(dentry->d_sb)->ns[type] != sd->s_ns))
-		goto out_bad;
+		if (type != KOBJ_NS_TYPE_NONE &&
+				sysfs_info(dentry->d_sb)->ns[type] != sd->s_ns)
+			goto out_bad;
+	}
 
 	mutex_unlock(&sysfs_mutex);
 out_valid:
_
Subject: Subject: sysfs-fail-dentry-revalidation-after-namespace-change-fix

Patches currently in -mm which might be from akpm@linux-foundation.org are

linux-next.patch
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
memory-hotplug-fix-invalid-memory-access-caused-by-stale-kswapd-pointer-fix.patch
rtc-ensure-correct-probing-of-the-ab8500-rtc-when-device-tree-is-enabled-checkpatch-fixes.patch
arch-x86-platform-iris-irisc-register-a-platform-device-and-a-platform-driver.patch
arch-x86-kernel-cpu-perf_event_intel_uncoreh-make-uncore_pmu_hrtimer_interval-64-bit.patch
sysfs-fail-dentry-revalidation-after-namespace-change-fix.patch
include-linux-timeh-make-nsec_per_sec-64-bit-on-32-bit-architectures.patch
include-linux-timeh-make-nsec_per_sec-64-bit-on-32-bit-architectures-fix.patch
include-linux-timeh-make-nsec_per_sec-64-bit-on-32-bit-architectures-fix-fix.patch
include-linux-timeh-make-nsec_per_sec-64-bit-on-32-bit-architectures-fix-fix-fix.patch
include-linux-timeh-make-nsec_per_sec-64-bit-on-32-bit-architectures-fix-fix-fix-fix.patch
hfs-get-rid-of-hfs_sync_super-checkpatch-fixes.patch
coredump-warn-about-unsafe-suid_dumpable-core_pattern-combo.patch
mm.patch
mm-make-vb_alloc-more-foolproof-fix.patch
mm-hugetlb-add-new-hugetlb-cgroup-fix.patch
mm-hugetlb-add-new-hugetlb-cgroup-fix-fix.patch
hugetlb-cgroup-add-hugetlb-cgroup-control-files-fix.patch
hugetlb-cgroup-add-hugetlb-cgroup-control-files-fix-fix.patch
mm-memblockc-memblock_double_array-cosmetic-cleanups.patch
memcg-make-mem_cgroup_force_empty_list-return-bool-fix.patch
memcg-prevent-oom-with-too-many-dirty-pages.patch
mm-fadvise-dont-return-einval-when-filesystem-cannot-implement-fadvise-checkpatch-fixes.patch
memcg-rename-config-variables.patch
memcg-rename-config-variables-fix-fix.patch
mm-have-order-0-compaction-start-off-where-it-left-checkpatch-fixes.patch
tmpfs-implement-numa-node-interleaving-fix.patch
avr32-mm-faultc-port-oom-changes-to-do_page_fault-fix.patch
nmi-watchdog-fix-for-lockup-detector-breakage-on-resume.patch
kmsg-dev-kmsg-properly-return-possible-copy_from_user-failure.patch
printk-add-generic-functions-to-find-kern_level-headers-fix.patch
btrfs-use-printk_get_level-and-printk_skip_level-add-__printf-fix-fallout-fix.patch
btrfs-use-printk_get_level-and-printk_skip_level-add-__printf-fix-fallout-checkpatch-fixes.patch
lib-vsprintfc-remind-people-to-update-documentation-printk-formatstxt-when-adding-printk-formats.patch
string-introduce-memweight-fix.patch
drivers-rtc-rtc-ab8500c-use-uie-emulation-checkpatch-fixes.patch
drivers-rtc-rtc-r9701c-check-that-r9701_set_datetime-succeeded.patch
hfsplus-get-rid-of-write_super-checkpatch-fixes.patch
kmod-avoid-deadlock-from-recursive-kmod-call.patch
fork-use-vma_pages-to-simplify-the-code-fix.patch
fs-cachefiles-add-support-for-large-files-in-filesystem-caching-fix.patch
include-linux-aioh-cpp-c-conversions.patch
fault-injection-add-selftests-for-cpu-and-memory-hotplug.patch
journal_add_journal_head-debug.patch
mutex-subsystem-synchro-test-module-fix.patch
slab-leaks3-default-y.patch
put_bh-debug.patch


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2012-07-09 23:13 + sysfs-fail-dentry-revalidation-after-namespace-change-fix.patch added to -mm tree akpm

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