diff options
Diffstat (limited to 'sys/kern/kern_descrip.c')
| -rw-r--r-- | sys/kern/kern_descrip.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c index f29b0eb..e0008e6 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -2883,6 +2883,7 @@ sysctl_kern_proc_filedesc(SYSCTL_HANDLER_ARGS) struct proc *p; struct tty *tp; int vfslocked; + size_t oldidx; name = (int *)arg1; if ((p = pfind((pid_t)name[0])) == NULL) @@ -3061,14 +3062,26 @@ sysctl_kern_proc_filedesc(SYSCTL_HANDLER_ARGS) strlen(kif->kf_path) + 1; kif->kf_structsize = roundup(kif->kf_structsize, sizeof(uint64_t)); + oldidx = req->oldidx; error = SYSCTL_OUT(req, kif, kif->kf_structsize); - if (error) + if (error) { + if (error == ENOMEM) { + /* + * The hack to keep the ABI of sysctl + * kern.proc.filedesc intact, but not + * to account a partially copied + * kinfo_file into the oldidx. + */ + req->oldidx = oldidx; + error = 0; + } break; + } } FILEDESC_SUNLOCK(fdp); fddrop(fdp); free(kif, M_TEMP); - return (0); + return (error); } static SYSCTL_NODE(_kern_proc, KERN_PROC_FILEDESC, filedesc, CTLFLAG_RD, |
