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=== Description (from pull-request) ===
GCC 7 appears to be clever enough to detect that transient_len is
uninitialised but not that it won't be used despite [1]. Just initialise
it to zero to stop the complaining, and allow LXC to build on openSUSE
Leap.
[1]: 346830421a96 ("cgroups: fix "uninitialized transient_len" warning")
Signed-off-by: Aleksa Sarai <cyp...@cyphar.com>
From fdb0b8ab2d83eace642153626a5dd5ef04d6f749 Mon Sep 17 00:00:00 2001
From: Aleksa Sarai <cyp...@cyphar.com>
Date: Fri, 3 Apr 2020 02:13:11 +1100
Subject: [PATCH] cgroups: fix build warning on GCC 7
GCC 7 appears to be clever enough to detect that transient_len is
uninitialised but not that it won't be used despite [1]. Just initialise
it to zero to stop the complaining, and allow LXC to build on openSUSE
Leap.
[1]: 346830421a96 ("cgroups: fix "uninitialized transient_len" warning")
Signed-off-by: Aleksa Sarai <cyp...@cyphar.com>
---
src/lxc/cgroups/cgfsng.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index 21c2c3f7ce..d3595bcdf9 100644
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -1360,7 +1360,7 @@ __cgfsng_ops static inline bool
cgfsng_payload_create(struct cgroup_ops *ops,
__cgfsng_ops static bool cgfsng_monitor_enter(struct cgroup_ops *ops,
struct lxc_handler *handler)
{
- int monitor_len, transient_len;
+ int monitor_len, transient_len = 0;
char monitor[INTTYPE_TO_STRLEN(pid_t)],
transient[INTTYPE_TO_STRLEN(pid_t)];
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