When configfs_register_subsystem fails, we unregister too many
subsystems in configfs_example_init. Decrement i by one to not
unregister non-registered subsystem.
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: Joel Becker <joel.becker@xxxxxxxxxx>
---
.../configfs/configfs_example_explicit.c | 2 +-
.../filesystems/configfs/configfs_example_macros.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/filesystems/configfs/configfs_example_explicit.c b/Documentation/filesystems/configfs/configfs_example_explicit.c
index fd53869..aa8f427 100644
--- a/Documentation/filesystems/configfs/configfs_example_explicit.c
+++ b/Documentation/filesystems/configfs/configfs_example_explicit.c
@@ -464,7 +464,7 @@ static int __init configfs_example_init(void)
return 0;
out_unregister:
- for (; i >= 0; i--) {
+ for (i--; i >= 0; i--) {
configfs_unregister_subsystem(example_subsys[i]);
}
diff --git a/Documentation/filesystems/configfs/configfs_example_macros.c b/Documentation/filesystems/configfs/configfs_example_macros.c
index d8e30a0..3bcd6e4 100644
--- a/Documentation/filesystems/configfs/configfs_example_macros.c
+++ b/Documentation/filesystems/configfs/configfs_example_macros.c
@@ -427,7 +427,7 @@ static int __init configfs_example_init(void)
return 0;
out_unregister:
- for (; i >= 0; i--) {
+ for (i--; i >= 0; i--) {
configfs_unregister_subsystem(example_subsys[i]);
}
--
1.7.4.2
--
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