From: Aleksa Sarai <cyphar@cyphar.com>
Date: Thu, 2 Apr 2020 15:13:11 +0000 (+1100)
Subject: cgroups: fix build warning on GCC 7
X-Git-Tag: lxc-5.0.0~472^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fdb0b8ab2d83eace642153626a5dd5ef04d6f749;p=thirdparty%2Flxc.git

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 <cyphar@cyphar.com>
---

diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index 21c2c3f7c..d3595bcdf 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)];