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Fixed a serious bug in rev.1.202. getnewbuf() sometimes didn't

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initialise bp->b_data.  This tended to cause panics for file
systems whose block size is smaller than one page.
This commit is contained in:
Bruce Evans 1999-03-19 10:17:44 +00:00
parent 4a948cab8b
commit 96ebc5810b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=44893
1 changed files with 2 additions and 2 deletions
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4
sys/kern/vfs_bio.c
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@ -11,7 +11,7 @@
* 2. Absolutely no warranty of function or purpose is made by the author
* John S. Dyson.
*
* $Id: vfs_bio.c,v 1.201 1999/03/02 21:23:38 julian Exp $
* $Id: vfs_bio.c,v 1.202 1999/03/12 02:24:56 julian Exp $
*/
/*
@ -1433,8 +1433,8 @@ getnewbuf(struct vnode *vp, daddr_t blkno,
bp->b_kvabase = (caddr_t) addr;
bp->b_kvasize = maxsize;
bp->b_data = bp->b_kvabase;
}
bp->b_data = bp->b_kvabase;
}
return (bp);