sandbox: only do sandboxfs for hostfs interface

Only do sandbox filesystem access when using the hostfs device interface, rather then falling back to it in all cases. This prevents confusion situations due to the fallback being taken rather then an unsupported error being raised. Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>

sandbox: only do sandboxfs for hostfs interface
Only do sandbox filesystem access when using the hostfs device interface, rather then falling back to it in all cases. This prevents confusion situations due to the fallback being taken rather then an unsupported error being raised. Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
Sjoerd Simons · Simon Glass
1 parent b8d7652c81
Showing 1 changed file with 5 additions and 1 deletions Side-by-side Diff
fs/sandbox/sandboxfs.c
@@ -10,7 +10,11 @@
  
 int sandbox_fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info)
 {
-	return 0;
+	/*
+	 * Only accept a NULL block_dev_desc_t for the sandbox, which is when
+	 * hostfs interface is used
+	 */
+	return rbdd != NULL;
 }
  
 int sandbox_fs_read_at(const char *filename, loff_t pos, void *buffer,
...	...	@@ -10,7 +10,11 @@
10	10
11	11	int sandbox_fs_set_blk_dev(block_dev_desc_t rbdd, disk_partition_t info)
12	12	{
13		- return 0;
	13	+ /*
	14	+ * Only accept a NULL block_dev_desc_t for the sandbox, which is when
	15	+ * hostfs interface is used
	16	+ */
	17	+ return rbdd != NULL;
14	18	}
15	19
16	20	int sandbox_fs_read_at(const char filename, loff_t pos, void buffer,