Author: trociny
Date: Mon Jul 1 03:27:14 2013
New Revision: 252436
URL: http://svnweb.freebsd.org/changeset/base/252436
Log:
Plug up the lock lock leakage when exporting to a short buffer.
Reported by: Alexander Leidinger
Submitted by: mjg
MFC after: 1 week
Modified:
head/sys/kern/kern_descrip.c
Modified: head/sys/kern/kern_descrip.c
==============================================================================
--- head/sys/kern/kern_descrip.c Mon Jul 1 03:00:15 2013
(r252435)
+++ head/sys/kern/kern_descrip.c Mon Jul 1 03:27:14 2013
(r252436)
@@ -3272,6 +3272,8 @@ export_fd_to_sb(void *data, int type, in
if (efbuf->remainder < kif->kf_structsize) {
/* Terminate export. */
efbuf->remainder = 0;
+ if (efbuf->fdp != NULL && !locked)
+ FILEDESC_SLOCK(efbuf->fdp);
return (0);
}
efbuf->remainder -= kif->kf_structsize;
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