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-rw-r--r--fs/ext3/super.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 22cfdd6..9537316 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2578,8 +2578,11 @@ static int ext3_release_dquot(struct dquot *dquot)
handle = ext3_journal_start(dquot_to_inode(dquot),
EXT3_QUOTA_DEL_BLOCKS(dquot->dq_sb));
- if (IS_ERR(handle))
+ if (IS_ERR(handle)) {
+ /* Release dquot anyway to avoid endless cycle in dqput() */
+ dquot_release(dquot);
return PTR_ERR(handle);
+ }
ret = dquot_release(dquot);
err = ext3_journal_stop(handle);
if (!ret)
@@ -2712,6 +2715,12 @@ static ssize_t ext3_quota_write(struct super_block *sb, int type,
struct buffer_head *bh;
handle_t *handle = journal_current_handle();
+ if (!handle) {
+ printk(KERN_WARNING "EXT3-fs: Quota write (off=%Lu, len=%Lu)"
+ " cancelled because transaction is not started.\n",
+ (unsigned long long)off, (unsigned long long)len);
+ return -EIO;
+ }
mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
while (towrite > 0) {
tocopy = sb->s_blocksize - offset < towrite ?
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