diff options
| -rw-r--r-- | ufs/alloc.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/ufs/alloc.c b/ufs/alloc.c index 161edcb8..193e0f31 100644 --- a/ufs/alloc.c +++ b/ufs/alloc.c @@ -93,7 +93,7 @@ alloc(struct node *np, *bnp = 0; assert ("Alloc of bad sized block" && (unsigned) size <= sblock->fs_bsize - && !fragoff(size)); + && !fragoff(size) && size != 0); spin_lock (&alloclock); @@ -150,9 +150,9 @@ realloccg(struct node *np, *pbn = 0; assert ("bad old size" && (unsigned) osize <= sblock->fs_bsize - && !fragoff (osize)); + && !fragoff (osize) && osize != 0 ); assert ("bad new size" && (unsigned) nsize <= sblock->fs_bsize - && !fragoff (nsize)); + && !fragoff (nsize) && nsize != 0); spin_lock (&alloclock); @@ -273,12 +273,15 @@ diskfs_alloc_node(struct node *dir, *npp = 0; + spin_lock (&alloclock); if (sblock->fs_cstotal.cs_nifree == 0) - goto noinodes; + { + spin_unlock (&alloclock); + goto noinodes; + } if (ipref >= sblock->fs_ncg * sblock->fs_ipg) ipref = 0; cg = itog(ipref); - spin_lock (&alloclock); ino = (int)hashalloc(cg, (long)ipref, mode, ialloccg); spin_unlock (&alloclock); if (ino == 0) @@ -852,7 +855,7 @@ blkfree(volatile daddr_t bno, int i; assert ("free of bad sized block" &&(unsigned) size <= sblock->fs_bsize - && !fragoff (size)); + && !fragoff (size) && size != 0); cg = dtog(bno); if ((unsigned)bno >= sblock->fs_size) { |