diff options
| author | Anton Kling <anton@kling.gg> | 2024-06-25 19:20:03 +0200 |
|---|---|---|
| committer | Anton Kling <anton@kling.gg> | 2024-06-25 19:20:03 +0200 |
| commit | edac853e8935164113bda594865cd48c91893d11 (patch) | |
| tree | adcc40c27a658c7601c410f3e49fbc762544979b /kernel/fs | |
| parent | 31743482bbdceeb2a0e52ae430ce1afad853e7e9 (diff) | |
VFS: dup2 fixes
Diffstat (limited to 'kernel/fs')
| -rw-r--r-- | kernel/fs/vfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/fs/vfs.c b/kernel/fs/vfs.c index 7c97cb2..ffecc5d 100644 --- a/kernel/fs/vfs.c +++ b/kernel/fs/vfs.c @@ -412,6 +412,10 @@ vfs_vm_object_t *vfs_get_vm_object(int fd, u64 length, u64 offset) { } int vfs_dup2(int org_fd, int new_fd) { + if (org_fd == new_fd) { + return -EINVAL; + } + vfs_fd_t *orig; if (!relist_get(¤t_task->file_descriptors, org_fd, (void **)&orig, NULL)) { |