[Linuxptp-devel] [PATCH v2] ts2phc: Fix potential null-pointer dereference

[Maciek M. <ma...@ma...>]

An unallocated pmc_agent may be dereferenced in the pmc_agent_destroy
called by the ts2phc_cleanup().
Check if the agent was allocated before releasing it.

v2: Fixed coding standard

Signed-off-by: Maciek Machnikowski <ma...@ma...>
---
 ts2phc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ts2phc.c b/ts2phc.c
index 4393059..db5ea3f 100644
--- a/ts2phc.c
+++ b/ts2phc.c
@@ -38,7 +38,8 @@ static void ts2phc_cleanup(struct ts2phc_private *priv)
 	if (priv->cfg)
 		config_destroy(priv->cfg);
 
-	pmc_agent_destroy(priv->agent);
+	if (priv->agent)
+		pmc_agent_destroy(priv->agent);
 
 	/*
 	 * Clocks are destroyed by the cleanup methods of the individual
-- 
2.37.1 (Apple Git-137.1)