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author | jmbills <jason.m.bills@intel.com> | 2021-08-03 01:45:08 +0300 |
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committer | GitHub <noreply@github.com> | 2021-08-03 01:45:08 +0300 |
commit | 10ad77d5bc86709d8ff7f95e7040e39f1c153903 (patch) | |
tree | 307cedb87f4c0a329740c55ac364ed489d1d8fc2 /poky/meta/recipes-kernel/lttng/lttng-modules/0001-Fix-memory-leaks-on-event-destroy.patch | |
parent | c6b1c6ba7a01b7987d65d61c262c44c320193108 (diff) | |
parent | 67327ddc580cb9a85219a534844832a1682780d4 (diff) | |
download | openbmc-10ad77d5bc86709d8ff7f95e7040e39f1c153903.tar.xz |
Update
Diffstat (limited to 'poky/meta/recipes-kernel/lttng/lttng-modules/0001-Fix-memory-leaks-on-event-destroy.patch')
-rw-r--r-- | poky/meta/recipes-kernel/lttng/lttng-modules/0001-Fix-memory-leaks-on-event-destroy.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/poky/meta/recipes-kernel/lttng/lttng-modules/0001-Fix-memory-leaks-on-event-destroy.patch b/poky/meta/recipes-kernel/lttng/lttng-modules/0001-Fix-memory-leaks-on-event-destroy.patch deleted file mode 100644 index 21da932a7..000000000 --- a/poky/meta/recipes-kernel/lttng/lttng-modules/0001-Fix-memory-leaks-on-event-destroy.patch +++ /dev/null @@ -1,58 +0,0 @@ -From b3fdf78b15beb940918da1e41eb68e24ba31bb87 Mon Sep 17 00:00:00 2001 -From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> -Date: Wed, 3 Mar 2021 10:10:16 -0500 -Subject: [PATCH 1/4] Fix: memory leaks on event destroy - -Both filter runtime and event enabler ref objects are owned by the -event, but are not freed upon destruction of the event object, thus -leaking memory. - -Upstream-status: backport - -Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> -Change-Id: Ice9b1c18b47584838aea2b965494d3c8391f4c84 ---- - lttng-events.c | 7 +++++++ - lttng-events.h | 1 + - 2 files changed, 8 insertions(+) - -diff --git a/lttng-events.c b/lttng-events.c -index f3398adc..984bd341 100644 ---- a/lttng-events.c -+++ b/lttng-events.c -@@ -919,6 +919,8 @@ int _lttng_event_unregister(struct lttng_event *event) - static - void _lttng_event_destroy(struct lttng_event *event) - { -+ struct lttng_enabler_ref *enabler_ref, *tmp_enabler_ref; -+ - switch (event->instrumentation) { - case LTTNG_KERNEL_TRACEPOINT: - lttng_event_put(event->desc); -@@ -944,6 +946,11 @@ void _lttng_event_destroy(struct lttng_event *event) - } - list_del(&event->list); - lttng_destroy_context(event->ctx); -+ lttng_free_event_filter_runtime(event); -+ /* Free event enabler refs */ -+ list_for_each_entry_safe(enabler_ref, tmp_enabler_ref, -+ &event->enablers_ref_head, node) -+ kfree(enabler_ref); - kmem_cache_free(event_cache, event); - } - -diff --git a/lttng-events.h b/lttng-events.h -index 1b9ab167..13b6abf5 100644 ---- a/lttng-events.h -+++ b/lttng-events.h -@@ -716,6 +716,7 @@ int lttng_enabler_attach_bytecode(struct lttng_enabler *enabler, - struct lttng_kernel_filter_bytecode __user *bytecode); - void lttng_enabler_event_link_bytecode(struct lttng_event *event, - struct lttng_enabler *enabler); -+void lttng_free_event_filter_runtime(struct lttng_event *event); - - int lttng_probes_init(void); - --- -2.19.1 - |