Fix: use after free in channel release

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/lttng-abi.c b/lttng-abi.c
index 8f63ad94c8fb053d9178aa91aa71d14d317f4e1b..bc0a0f6e4dd7516c09b280f1b4379c7972624166 100644 (file)
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -1286,8 +1286,8 @@ int lttng_metadata_channel_release(struct inode *inode, struct file *file)
        struct lttng_channel *channel = file->private_data;
 
        if (channel) {
-               lttng_metadata_channel_destroy(channel);
                fput(channel->session->file);
+               lttng_metadata_channel_destroy(channel);
        }
 
        return 0;