btrfs: send: use vmalloc only as fallback for clone_roots (c03d01f3) · Commits · e / devices / android_kernel_oneplus_sm8150

fs/btrfs/send.c

+7 −4

Original line number	Diff line number	Diff line
		@@ -6053,11 +6053,14 @@ long btrfs_ioctl_send(struct file mnt_file, void __user arg_)

		alloc_size = sizeof(struct clone_root) * (arg->clone_sources_count + 1);

		sctx->clone_roots = kzalloc(alloc_size, GFP_KERNEL \| __GFP_NOWARN);
		if (!sctx->clone_roots) {
		sctx->clone_roots = vzalloc(alloc_size);
		if (!sctx->clone_roots) {
		ret = -ENOMEM;
		goto out;
		}
		}

		alloc_size = arg->clone_sources_count * sizeof(*arg->clone_sources);

		@@ -6227,7 +6230,7 @@ long btrfs_ioctl_send(struct file mnt_file, void __user arg_)
		if (sctx->send_filp)
		fput(sctx->send_filp);

		vfree(sctx->clone_roots);
		kvfree(sctx->clone_roots);
		kvfree(sctx->send_buf);
		kvfree(sctx->read_buf);