lu_global_init() does not clean internals on failure, and its
cleanup procedure lu_global_fini() is also not called on any failure.
Patch addresses this problem by adding appropriate error handling.
Signed-off-by: Aliaksei Karaliou <akaraliou....@gmail.com>
---
drivers/staging/lustre/lustre/obdclass/lu_object.c | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/lustre/lustre/obdclass/lu_object.c
b/drivers/staging/lustre/lustre/obdclass/lu_object.c
index 9e0256ca2079..8e2e6b89e494 100644
--- a/drivers/staging/lustre/lustre/obdclass/lu_object.c
+++ b/drivers/staging/lustre/lustre/obdclass/lu_object.c
@@ -1932,8 +1932,10 @@ int lu_global_init(void)
LU_CONTEXT_KEY_INIT(&lu_global_key);
result = lu_context_key_register(&lu_global_key);
- if (result != 0)
+ if (result != 0) {
+ lu_ref_global_fini();
return result;
+ }
/*
* At this level, we don't know what tags are needed, so allocate them
@@ -1943,8 +1945,11 @@ int lu_global_init(void)
down_write(&lu_sites_guard);
result = lu_env_init(&lu_shrink_env, LCT_SHRINKER);
up_write(&lu_sites_guard);
- if (result != 0)
+ if (result != 0) {
+ lu_context_key_degister(&lu_global_key);
+ lu_ref_global_fini();
return result;
+ }
/*
* seeks estimation: 3 seeks to read a record from oi, one to read
@@ -1952,8 +1957,19 @@ int lu_global_init(void)
* lu_object/inode cache consuming all the memory.
*/
result = register_shrinker(&lu_site_shrinker);
+ if (result != 0) {
+ /* Order explained in lu_global_fini(). */
+ lu_context_key_degister(&lu_global_key);
- return result;
+ down_write(&lu_sites_guard);
+ lu_env_fini(&lu_shrink_env);
+ up_write(&lu_sites_guard);
+
+ lu_ref_global_fini();
+ return result;
+ }
+
+ return 0;
}
/**
--
2.11.0
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