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Diffstat (limited to 'fs/gfs2/dir.c')
-rw-r--r--fs/gfs2/dir.c37
1 files changed, 19 insertions, 18 deletions
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 560e4624c09f..509e2f0d97e7 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -60,6 +60,7 @@
#include <linux/crc32.h>
#include <linux/vmalloc.h>
#include <linux/bio.h>
+#include <linux/log2.h>
#include "gfs2.h"
#include "incore.h"
@@ -562,15 +563,18 @@ static struct gfs2_dirent *gfs2_dirent_scan(struct inode *inode, void *buf,
int ret = 0;
ret = gfs2_dirent_offset(GFS2_SB(inode), buf);
- if (ret < 0)
- goto consist_inode;
-
+ if (ret < 0) {
+ gfs2_consist_inode(GFS2_I(inode));
+ return ERR_PTR(-EIO);
+ }
offset = ret;
prev = NULL;
dent = buf + offset;
size = be16_to_cpu(dent->de_rec_len);
- if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size, len, 1))
- goto consist_inode;
+ if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size, len, 1)) {
+ gfs2_consist_inode(GFS2_I(inode));
+ return ERR_PTR(-EIO);
+ }
do {
ret = scan(dent, name, opaque);
if (ret)
@@ -582,8 +586,10 @@ static struct gfs2_dirent *gfs2_dirent_scan(struct inode *inode, void *buf,
dent = buf + offset;
size = be16_to_cpu(dent->de_rec_len);
if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size,
- len, 0))
- goto consist_inode;
+ len, 0)) {
+ gfs2_consist_inode(GFS2_I(inode));
+ return ERR_PTR(-EIO);
+ }
} while(1);
switch(ret) {
@@ -597,10 +603,6 @@ static struct gfs2_dirent *gfs2_dirent_scan(struct inode *inode, void *buf,
BUG_ON(ret > 0);
return ERR_PTR(ret);
}
-
-consist_inode:
- gfs2_consist_inode(GFS2_I(inode));
- return ERR_PTR(-EIO);
}
static int dirent_check_reclen(struct gfs2_inode *dip,
@@ -609,14 +611,16 @@ static int dirent_check_reclen(struct gfs2_inode *dip,
const void *ptr = d;
u16 rec_len = be16_to_cpu(d->de_rec_len);
- if (unlikely(rec_len < sizeof(struct gfs2_dirent)))
- goto broken;
+ if (unlikely(rec_len < sizeof(struct gfs2_dirent))) {
+ gfs2_consist_inode(dip);
+ return -EIO;
+ }
ptr += rec_len;
if (ptr < end_p)
return rec_len;
if (ptr == end_p)
return -ENOENT;
-broken:
+
gfs2_consist_inode(dip);
return -EIO;
}
@@ -909,7 +913,6 @@ static int dir_make_exhash(struct inode *inode)
struct qstr args;
struct buffer_head *bh, *dibh;
struct gfs2_leaf *leaf;
- int y;
u32 x;
__be64 *lp;
u64 bn;
@@ -976,9 +979,7 @@ static int dir_make_exhash(struct inode *inode)
i_size_write(inode, sdp->sd_sb.sb_bsize / 2);
gfs2_add_inode_blocks(&dip->i_inode, 1);
dip->i_diskflags |= GFS2_DIF_EXHASH;
-
- for (x = sdp->sd_hash_ptrs, y = -1; x; x >>= 1, y++) ;
- dip->i_depth = y;
+ dip->i_depth = ilog2(sdp->sd_hash_ptrs);
gfs2_dinode_out(dip, dibh->b_data);