binderfs: remove redundant assignment to pointer ctx

The pointer ctx is being initialized with a value that is never read
and it is being updated later with a new value. The initialization
is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20200402105000.506296-1-colin.king@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/android/binderfs.c

@@ -747,7 +747,7 @@ static const struct fs_context_operations binderfs_fs_context_ops = {
 
 static int binderfs_init_fs_context(struct fs_context *fc)
 {
-	struct binderfs_mount_opts *ctx = fc->fs_private;
+	struct binderfs_mount_opts *ctx;
 
 	ctx = kzalloc(sizeof(struct binderfs_mount_opts), GFP_KERNEL);
 	if (!ctx)