fs/hfsplus: move xattr_name allocation in hfsplus_setxattr()

[firefly-linux-kernel-4.4.55.git] / fs / hfsplus / xattr_security.c

diff --git a/fs/hfsplus/xattr_security.c b/fs/hfsplus/xattr_security.c
index e67d528894483265b94dbef331a867fe4e440614..aacff00a9ff9e77c5d6f6cca250dc90cf4e1cbfc 100644 (file)
--- a/fs/hfsplus/xattr_security.c
+++ b/fs/hfsplus/xattr_security.c
@@ -24,22 +24,9 @@ static int hfsplus_security_getxattr(struct dentry *dentry, const char *name,
 static int hfsplus_security_setxattr(struct dentry *dentry, const char *name,
                const void *buffer, size_t size, int flags, int type)
 {
-       char *xattr_name;
-       int res;
-
-       if (!strcmp(name, ""))
-               return -EINVAL;
-
-       xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
-               GFP_KERNEL);
-       if (!xattr_name)
-               return -ENOMEM;
-       strcpy(xattr_name, XATTR_SECURITY_PREFIX);
-       strcpy(xattr_name + XATTR_SECURITY_PREFIX_LEN, name);
-
-       res = hfsplus_setxattr(dentry, xattr_name, buffer, size, flags);
-       kfree(xattr_name);
-       return res;
+       return hfsplus_setxattr(dentry, name, buffer, size, flags,
+                               XATTR_SECURITY_PREFIX,
+                               XATTR_SECURITY_PREFIX_LEN);
 }
 
 static size_t hfsplus_security_listxattr(struct dentry *dentry, char *list,