From: Rafael J. Wysocki <[email protected]>
My test box crashes during suspend, while the nonboot CPUs are being disabled,
because sysfs_hash_and_remove() doesn't check if dir_sd passed to it is not
NULL. Fix it.
Signed-off-by: Rafael J. Wysocki <[email protected]>
---
fs/sysfs/inode.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux-2.6.23-rc1-mm2/fs/sysfs/inode.c
===================================================================
--- linux-2.6.23-rc1-mm2.orig/fs/sysfs/inode.c
+++ linux-2.6.23-rc1-mm2/fs/sysfs/inode.c
@@ -191,6 +191,8 @@ int sysfs_hash_and_remove(struct kobject
struct sysfs_addrm_cxt acxt;
struct sysfs_dirent **pos, *sd;
+ if (!dir_sd)
+ return -ENOENT;
sysfs_addrm_start(&acxt, dir_sd);
if (!sysfs_resolve_for_remove(kobj, &acxt.parent_sd))
goto addrm_finish;
-
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