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Plug up the lock lock leakage when exporting to a short buffer.

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Reported by:	Alexander Leidinger
Submitted by:	mjg
MFC after:	1 week
This commit is contained in:
Mikolaj Golub 2013-07-01 03:27:14 +00:00
parent eee4072f13
commit 9e89077c65
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=252436
1 changed files with 2 additions and 0 deletions
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2
sys/kern/kern_descrip.c
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@ -3272,6 +3272,8 @@ export_fd_to_sb(void *data, int type, int fd, int fflags, int refcnt,
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;