summaryrefslogtreecommitdiff
path: root/src/process/posix_spawn_file_actions_adddup2.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/process/posix_spawn_file_actions_adddup2.c')
-rw-r--r--src/process/posix_spawn_file_actions_adddup2.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/process/posix_spawn_file_actions_adddup2.c b/src/process/posix_spawn_file_actions_adddup2.c
index 9209ee7c..26f2c5cc 100644
--- a/src/process/posix_spawn_file_actions_adddup2.c
+++ b/src/process/posix_spawn_file_actions_adddup2.c
@@ -10,7 +10,8 @@ int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa, int fd, int
op->cmd = FDOP_DUP2;
op->fd = fd;
op->newfd = newfd;
- op->next = fa->__actions;
+ if ((op->next = fa->__actions)) op->next->prev = op;
+ op->prev = 0;
fa->__actions = op;
return 0;
}