fs/hfsplus: move xattr_name allocation in hfsplus_getxattr()

[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 6ec5e107691f47841f536de29d039e31878a3033..e67d528894483265b94dbef331a867fe4e440614 100644 (file)
--- a/fs/hfsplus/xattr_security.c
+++ b/fs/hfsplus/xattr_security.c
@@ -16,22 +16,9 @@
 static int hfsplus_security_getxattr(struct dentry *dentry, const char *name,
                                        void *buffer, size_t size, 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_getxattr(dentry, xattr_name, buffer, size);
-       kfree(xattr_name);
-       return res;
+       return hfsplus_getxattr(dentry, name, buffer, size,
+                               XATTR_SECURITY_PREFIX,
+                               XATTR_SECURITY_PREFIX_LEN);
 }
 
 static int hfsplus_security_setxattr(struct dentry *dentry, const char *name,