diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2023-12-26 01:43:06 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2023-12-26 02:04:01 +0000 |
| commit | bbf221e3e822d15dafb37bd8e200a9864f2636b4 (patch) | |
| tree | f6273fad59ecdad612b4f871a8adef825a870f0c /sys/geom | |
| parent | 6cdff09c0d70f780a738dbd3d87deb3b13ec8446 (diff) | |
| download | src-bbf221e3e822d15dafb37bd8e200a9864f2636b4.tar.gz src-bbf221e3e822d15dafb37bd8e200a9864f2636b4.zip | |
Diffstat (limited to 'sys/geom')
| -rw-r--r-- | sys/geom/geom_ctl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/geom/geom_ctl.c b/sys/geom/geom_ctl.c index ebfde5697eeb..5536bd6b7110 100644 --- a/sys/geom/geom_ctl.c +++ b/sys/geom/geom_ctl.c @@ -616,8 +616,10 @@ g_ctl_ioctl_ctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct th } } if (sbuf_done(req->serror)) { - copyout(sbuf_data(req->serror), req->error, + nerror = copyout(sbuf_data(req->serror), req->error, imin(req->lerror, sbuf_len(req->serror) + 1)); + if (nerror != 0 && req->nerror == 0) + req->nerror = nerror; } nerror = req->nerror; |