Fix: use of uninitialized ret value in lttng_abi_create_event

Fixes the following compiler warning:

/home/jenkins/workspace/lttng-modules_VERSION_param-build/arch/x86-32/src/lttng-modules/lttng-abi.c: In function ‘lttng_abi_create_event’:
/home/jenkins/workspace/lttng-modules_VERSION_param-build/arch/x86-32/src/lttng-modules/lttng-abi.c:987:16: warning: ‘ret’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  int event_fd, ret;

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

diff --git a/lttng-abi.c b/lttng-abi.c
index b51434a17a9e28aee7de71f24437511f31e3bb55..9845930d9ebc87bd7e86f0c0bd06eb95317d66da 100644 (file)
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -993,6 +993,7 @@ int lttng_abi_create_event(struct file *channel_file,
        /* The event holds a reference on the channel */
        if (atomic_long_add_unless(&channel_file->f_count,
                1, INT_MAX) == INT_MAX) {
+               ret = -EOVERFLOW;
                goto refcount_error;
        }
        if (event_param->instrumentation == LTTNG_KERNEL_TRACEPOINT