x86 ACPI: Blacklist two HP machines with buggy BIOSes

[linux-2.6-omap-h63xx.git] / fs / sysfs / dir.c

diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 4948d9bc405dfbdb23f30dcd5ad47d103f4e5514..aedaeba82ae5503a41cbd6ee366601ecb67ae31b 100644 (file)
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -20,6 +20,7 @@
 #include <linux/idr.h>
 #include <linux/completion.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 #include "sysfs.h"
 
 DEFINE_MUTEX(sysfs_mutex);
@@ -397,7 +398,7 @@ void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt,
 }
 
 /**
- *     sysfs_add_one - add sysfs_dirent to parent
+ *     __sysfs_add_one - add sysfs_dirent to parent without warning
  *     @acxt: addrm context to use
  *     @sd: sysfs_dirent to be added
  *
@@ -416,14 +417,10 @@ void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt,
  *     0 on success, -EEXIST if entry with the given name already
  *     exists.
  */
-int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
+int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
 {
-       if (sysfs_find_dirent(acxt->parent_sd, sd->s_name)) {
-               printk(KERN_WARNING "sysfs: duplicate filename '%s' "
-                      "can not be created\n", sd->s_name);
-               WARN_ON(1);
+       if (sysfs_find_dirent(acxt->parent_sd, sd->s_name))
                return -EEXIST;
-       }
 
        sd->s_parent = sysfs_get(acxt->parent_sd);
 
@@ -437,6 +434,36 @@ int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
        return 0;
 }
 
+/**
+ *     sysfs_add_one - add sysfs_dirent to parent
+ *     @acxt: addrm context to use
+ *     @sd: sysfs_dirent to be added
+ *
+ *     Get @acxt->parent_sd and set sd->s_parent to it and increment
+ *     nlink of parent inode if @sd is a directory and link into the
+ *     children list of the parent.
+ *
+ *     This function should be called between calls to
+ *     sysfs_addrm_start() and sysfs_addrm_finish() and should be
+ *     passed the same @acxt as passed to sysfs_addrm_start().
+ *
+ *     LOCKING:
+ *     Determined by sysfs_addrm_start().
+ *
+ *     RETURNS:
+ *     0 on success, -EEXIST if entry with the given name already
+ *     exists.
+ */
+int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
+{
+       int ret;
+
+       ret = __sysfs_add_one(acxt, sd);
+       WARN(ret == -EEXIST, KERN_WARNING "sysfs: duplicate filename '%s' "
+                      "can not be created\n", sd->s_name);
+       return ret;
+}
+
 /**
  *     sysfs_remove_one - remove sysfs_dirent from parent
  *     @acxt: addrm context to use