lttng: add 5.x fixup patches to 2.10.8 release

lttng hasn't released 2.10.9, but the stable/2.10 branch
contains changes that we need to build against the 5.0
kernel.

We add them here as patches, and we can drop them in the
future when lttng is updated.

(From OE-Core rev: f8bcf3486d44ebd867e9089d4dbd3b56726c9075)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/meta/recipes-kernel/lttng/lttng-modules/0009-Cleanup-tp-mempool-Remove-logically-dead-code.patch b/meta/recipes-kernel/lttng/lttng-modules/0009-Cleanup-tp-mempool-Remove-logically-dead-code.patch
new file mode 100644
index 0000000000..4ffe488677
--- /dev/null
+++ b/meta/recipes-kernel/lttng/lttng-modules/0009-Cleanup-tp-mempool-Remove-logically-dead-code.patch
@@ -0,0 +1,46 @@
+From 416cee8707053a9015dfec8332e12f8c263098e3 Mon Sep 17 00:00:00 2001
+From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+Date: Thu, 14 Feb 2019 11:40:50 -0500
+Subject: [PATCH 9/9] Cleanup: tp mempool: Remove logically dead code
+
+Found by Coverity:
+CID 1391045 (#1 of 1): Logically dead code (DEADCODE)
+
+Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+
+Upstream-Status: backport https://github.com/lttng/lttng-modules/commit/416cee8707053a9015dfec8332e12f8c263098e3
+
+Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
+---
+ lttng-tp-mempool.c | 11 ++---------
+ 1 file changed, 2 insertions(+), 9 deletions(-)
+
+diff --git a/lttng-tp-mempool.c b/lttng-tp-mempool.c
+index d984bd4..21e8376 100644
+--- a/lttng-tp-mempool.c
++++ b/lttng-tp-mempool.c
+@@ -151,19 +151,12 @@ void lttng_tp_mempool_free(void *ptr)
+        struct lttng_tp_buf_entry *entry;
+        struct per_cpu_buf *cpu_buf;
+ 
+-       if (!ptr) {
++       if (!ptr)
+                goto end;
+-       }
+-
+        entry = container_of(ptr, struct lttng_tp_buf_entry, buf);
+-       if (!entry) {
+-               goto end;
+-       }
+-
+        cpu_buf = per_cpu_ptr(pool, entry->cpu);
+-       if (!cpu_buf) {
++       if (!cpu_buf)
+                goto end;
+-       }
+        /* Add it to the free list. */
+        list_add_tail(&entry->list, &cpu_buf->free_list);
+ 
+-- 
+2.19.1
+