coverity: #1437936

Unchecked return value

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/attach.c b/src/lxc/attach.c
index 53deb0f4067789610c53c43f564caed71b211792..b873c6fc3b78e6d9dec50a9a81e20f0ba356f537 100644 (file)
--- a/src/lxc/attach.c
+++ b/src/lxc/attach.c
@@ -861,13 +861,13 @@ static int attach_child_main(struct attach_clone_payload *payload)
         * may want to make sure the fds are closed, for example.
         */
        if (options->stdin_fd >= 0 && options->stdin_fd != STDIN_FILENO)
-               dup2(options->stdin_fd, STDIN_FILENO);
+               (void)dup2(options->stdin_fd, STDIN_FILENO);
 
        if (options->stdout_fd >= 0 && options->stdout_fd != STDOUT_FILENO)
-               dup2(options->stdout_fd, STDOUT_FILENO);
+               (void)dup2(options->stdout_fd, STDOUT_FILENO);
 
        if (options->stderr_fd >= 0 && options->stderr_fd != STDERR_FILENO)
-               dup2(options->stderr_fd, STDERR_FILENO);
+               (void)dup2(options->stderr_fd, STDERR_FILENO);
 
        /* close the old fds */
        if (options->stdin_fd > STDERR_FILENO)