diff options
| -rw-r--r-- | src/libdiskfs/ext2.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/libdiskfs/ext2.c b/src/libdiskfs/ext2.c index 8473aa34..ddd3d7b8 100644 --- a/src/libdiskfs/ext2.c +++ b/src/libdiskfs/ext2.c @@ -88,7 +88,7 @@ ext2blockread(Fsys *fsys, u64int vbno) Group *g; Block *gb; uchar *bits; - u32int bno, boff; + u32int bno, boff, bitpos; Ext2 *fs; fs = fsys->priv; @@ -115,11 +115,12 @@ ext2blockread(Fsys *fsys, u64int vbno) if(debug) fprint(2, "group %d bitblock=%d...", bno/fs->blockspergroup, g->bitblock); */ + bitpos = (u64int)g->bitblock*fs->blocksize; + blockput(gb); - if((bitb = diskread(fs->disk, fs->blocksize, (u64int)g->bitblock*fs->blocksize)) == nil){ + if((bitb = diskread(fs->disk, fs->blocksize, bitpos)) == nil){ if(debug) fprint(2, "loading bitblock: %r..."); - blockput(gb); return nil; } bits = bitb->data; @@ -128,9 +129,9 @@ ext2blockread(Fsys *fsys, u64int vbno) if(debug) fprint(2, "block %d not allocated...", bno); blockput(bitb); - blockput(gb); return nil; } + blockput(bitb); bno += fs->firstblock; return diskread(fs->disk, fs->blocksize, (u64int)bno*fs->blocksize); |