diff options
| author | Steve French <sfrench@us.ibm.com> | 2005-10-31 08:36:11 -0800 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-10-31 08:36:11 -0800 |
| commit | 53b2ec5518aa2623e8c0cb36f1c304a797988a46 (patch) | |
| tree | 465d8631ade6c2fcbd7576ff9813d00116c6a1e8 /fs/ext3/resize.c | |
| parent | 0753ca7bc2b876dd136e9db11a20f85cbe4e08b1 (diff) | |
| parent | 581c1b14394aee60aff46ea67d05483261ed6527 (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'fs/ext3/resize.c')
| -rw-r--r-- | fs/ext3/resize.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c index 57f79106267d..1be78b4b4de9 100644 --- a/fs/ext3/resize.c +++ b/fs/ext3/resize.c @@ -118,6 +118,8 @@ static struct buffer_head *bclean(handle_t *handle, struct super_block *sb, int err; bh = sb_getblk(sb, blk); + if (!bh) + return ERR_PTR(-EIO); if ((err = ext3_journal_get_write_access(handle, bh))) { brelse(bh); bh = ERR_PTR(err); @@ -202,6 +204,10 @@ static int setup_new_group_blocks(struct super_block *sb, ext3_debug("update backup group %#04lx (+%d)\n", block, bit); gdb = sb_getblk(sb, block); + if (!gdb) { + err = -EIO; + goto exit_bh; + } if ((err = ext3_journal_get_write_access(handle, gdb))) { brelse(gdb); goto exit_bh; @@ -643,6 +649,10 @@ static void update_backups(struct super_block *sb, break; bh = sb_getblk(sb, group * bpg + blk_off); + if (!bh) { + err = -EIO; + break; + } ext3_debug("update metadata backup %#04lx\n", (unsigned long)bh->b_blocknr); if ((err = ext3_journal_get_write_access(handle, bh))) |