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Fixed minor struct cred leak. Discovered while looking for the opposite

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condition - too many frees, which has yet to be found.

Reviewed by:	dyson
This commit is contained in:
David Greenman 1996-01-04 06:09:00 +00:00
parent 05e296019e
commit a5782ecc36
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=13211
1 changed files with 10 additions and 7 deletions
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17
sys/kern/vfs_bio.c
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@ -18,7 +18,7 @@
* 5. Modifications may be freely made to this file if the above conditions
* are met.
*
* $Id: vfs_bio.c,v 1.78 1995/12/13 03:47:01 dyson Exp $
* $Id: vfs_bio.c,v 1.79 1995/12/14 08:32:09 phk Exp $
*/
/*
@ -722,12 +722,16 @@ trytofreespace:
if (bp->b_vp)
brelvp(bp);
/* we are not free, nor do we contain interesting data */
if (bp->b_rcred != NOCRED)
crfree(bp->b_rcred);
if (bp->b_wcred != NOCRED)
crfree(bp->b_wcred);
fillbuf:
/* we are not free, nor do we contain interesting data */
if (bp->b_rcred != NOCRED) {
crfree(bp->b_rcred);
bp->b_rcred = NOCRED;
}
if (bp->b_wcred != NOCRED) {
crfree(bp->b_wcred);
bp->b_wcred = NOCRED;
}
bp->b_flags |= B_BUSY;
LIST_REMOVE(bp, b_hash);
LIST_INSERT_HEAD(&invalhash, bp, b_hash);
@ -744,7 +748,6 @@ fillbuf:
bp->b_resid = 0;
bp->b_bcount = 0;
bp->b_npages = 0;
bp->b_wcred = bp->b_rcred = NOCRED;
bp->b_data = buffers_kva + (bp - buf) * MAXBSIZE;
bp->b_dirtyoff = bp->b_dirtyend = 0;
bp->b_validoff = bp->b_validend = 0;