1 files changed, 6 insertions, 3 deletions

diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 689f7bcfaf30..4c29ac41ac3e 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -54,11 +54,10 @@ int sysfs_setattr(struct dentry * dentry, struct iattr * iattr)
 
         if (!sd_iattr) {
                 /* setting attributes for the first time, allocate now */
-                sd_iattr = kmalloc(sizeof(struct iattr), GFP_KERNEL);
+                sd_iattr = kzalloc(sizeof(struct iattr), GFP_KERNEL);
                 if (!sd_iattr)
                         return -ENOMEM;
                 /* assign default attributes */
-                memset(sd_iattr, 0, sizeof(struct iattr));
                 sd_iattr->ia_mode = sd->s_mode;
                 sd_iattr->ia_uid = 0;
                 sd_iattr->ia_gid = 0;
@@ -227,12 +226,16 @@ void sysfs_drop_dentry(struct sysfs_dirent * sd, struct dentry * parent)
 void sysfs_hash_and_remove(struct dentry * dir, const char * name)
 {
         struct sysfs_dirent * sd;
-        struct sysfs_dirent * parent_sd = dir->d_fsdata;
+        struct sysfs_dirent * parent_sd;
+
+        if (!dir)
+                return;
 
         if (dir->d_inode == NULL)
                 /* no inode means this hasn't been made visible yet */
                 return;
 
+        parent_sd = dir->d_fsdata;
         mutex_lock(&dir->d_inode->i_mutex);
         list_for_each_entry(sd, &parent_sd->s_children, s_sibling) {
                 if (!sd->s_element)