From bd6a1f16fffdfe010fdc2979fd01f12357816762 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 23 Jun 2005 22:01:01 -0700 Subject: [PATCH] reiserfs: add checking of journal_begin() return value Check return values of journal_begin() and journal_end() in the quota code for reiserfs. Signed-off-by: Jan Kara Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/reiserfs/inode.c | 6 +++-- fs/reiserfs/super.c | 66 ++++++++++++++++++++++++++++++++++++++--------------- 2 files changed, 52 insertions(+), 20 deletions(-) (limited to 'fs/reiserfs') diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 2711dff..073425e 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -2798,7 +2798,9 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) { struct reiserfs_transaction_handle th; /* (user+group)*(old+new) structure - we count quota info and , inode write (sb, inode) */ - journal_begin(&th, inode->i_sb, 4*REISERFS_QUOTA_INIT_BLOCKS+2); + error = journal_begin(&th, inode->i_sb, 4*REISERFS_QUOTA_INIT_BLOCKS+2); + if (error) + goto out; error = DQUOT_TRANSFER(inode, attr) ? -EDQUOT : 0; if (error) { journal_end(&th, inode->i_sb, 4*REISERFS_QUOTA_INIT_BLOCKS+2); @@ -2811,7 +2813,7 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) { if (attr->ia_valid & ATTR_GID) inode->i_gid = attr->ia_gid; mark_inode_dirty(inode); - journal_end(&th, inode->i_sb, 4*REISERFS_QUOTA_INIT_BLOCKS+2); + error = journal_end(&th, inode->i_sb, 4*REISERFS_QUOTA_INIT_BLOCKS+2); } } if (!error) diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index aae0779..031577f 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -1841,13 +1841,18 @@ static int reiserfs_statfs (struct super_block * s, struct kstatfs * buf) static int reiserfs_dquot_initialize(struct inode *inode, int type) { struct reiserfs_transaction_handle th; - int ret; + int ret, err; /* We may create quota structure so we need to reserve enough blocks */ reiserfs_write_lock(inode->i_sb); - journal_begin(&th, inode->i_sb, 2*REISERFS_QUOTA_INIT_BLOCKS); + ret = journal_begin(&th, inode->i_sb, 2*REISERFS_QUOTA_INIT_BLOCKS); + if (ret) + goto out; ret = dquot_initialize(inode, type); - journal_end(&th, inode->i_sb, 2*REISERFS_QUOTA_INIT_BLOCKS); + err = journal_end(&th, inode->i_sb, 2*REISERFS_QUOTA_INIT_BLOCKS); + if (!ret && err) + ret = err; +out: reiserfs_write_unlock(inode->i_sb); return ret; } @@ -1855,13 +1860,18 @@ static int reiserfs_dquot_initialize(struct inode *inode, int type) static int reiserfs_dquot_drop(struct inode *inode) { struct reiserfs_transaction_handle th; - int ret; + int ret, err; /* We may delete quota structure so we need to reserve enough blocks */ reiserfs_write_lock(inode->i_sb); - journal_begin(&th, inode->i_sb, 2*REISERFS_QUOTA_INIT_BLOCKS); + ret = journal_begin(&th, inode->i_sb, 2*REISERFS_QUOTA_INIT_BLOCKS); + if (ret) + goto out; ret = dquot_drop(inode); - journal_end(&th, inode->i_sb, 2*REISERFS_QUOTA_INIT_BLOCKS); + err = journal_end(&th, inode->i_sb, 2*REISERFS_QUOTA_INIT_BLOCKS); + if (!ret && err) + ret = err; +out: reiserfs_write_unlock(inode->i_sb); return ret; } @@ -1869,12 +1879,17 @@ static int reiserfs_dquot_drop(struct inode *inode) static int reiserfs_write_dquot(struct dquot *dquot) { struct reiserfs_transaction_handle th; - int ret; + int ret, err; reiserfs_write_lock(dquot->dq_sb); - journal_begin(&th, dquot->dq_sb, REISERFS_QUOTA_TRANS_BLOCKS); + ret = journal_begin(&th, dquot->dq_sb, REISERFS_QUOTA_TRANS_BLOCKS); + if (ret) + goto out; ret = dquot_commit(dquot); - journal_end(&th, dquot->dq_sb, REISERFS_QUOTA_TRANS_BLOCKS); + err = journal_end(&th, dquot->dq_sb, REISERFS_QUOTA_TRANS_BLOCKS); + if (!ret && err) + ret = err; +out: reiserfs_write_unlock(dquot->dq_sb); return ret; } @@ -1882,12 +1897,17 @@ static int reiserfs_write_dquot(struct dquot *dquot) static int reiserfs_acquire_dquot(struct dquot *dquot) { struct reiserfs_transaction_handle th; - int ret; + int ret, err; reiserfs_write_lock(dquot->dq_sb); - journal_begin(&th, dquot->dq_sb, REISERFS_QUOTA_INIT_BLOCKS); + ret = journal_begin(&th, dquot->dq_sb, REISERFS_QUOTA_INIT_BLOCKS); + if (ret) + goto out; ret = dquot_acquire(dquot); - journal_end(&th, dquot->dq_sb, REISERFS_QUOTA_INIT_BLOCKS); + err = journal_end(&th, dquot->dq_sb, REISERFS_QUOTA_INIT_BLOCKS); + if (!ret && err) + ret = err; +out: reiserfs_write_unlock(dquot->dq_sb); return ret; } @@ -1895,12 +1915,17 @@ static int reiserfs_acquire_dquot(struct dquot *dquot) static int reiserfs_release_dquot(struct dquot *dquot) { struct reiserfs_transaction_handle th; - int ret; + int ret, err; reiserfs_write_lock(dquot->dq_sb); - journal_begin(&th, dquot->dq_sb, REISERFS_QUOTA_INIT_BLOCKS); + ret = journal_begin(&th, dquot->dq_sb, REISERFS_QUOTA_INIT_BLOCKS); + if (ret) + goto out; ret = dquot_release(dquot); - journal_end(&th, dquot->dq_sb, REISERFS_QUOTA_INIT_BLOCKS); + err = journal_end(&th, dquot->dq_sb, REISERFS_QUOTA_INIT_BLOCKS); + if (!ret && err) + ret = err; +out: reiserfs_write_unlock(dquot->dq_sb); return ret; } @@ -1920,13 +1945,18 @@ static int reiserfs_mark_dquot_dirty(struct dquot *dquot) static int reiserfs_write_info(struct super_block *sb, int type) { struct reiserfs_transaction_handle th; - int ret; + int ret, err; /* Data block + inode block */ reiserfs_write_lock(sb); - journal_begin(&th, sb, 2); + ret = journal_begin(&th, sb, 2); + if (ret) + goto out; ret = dquot_commit_info(sb, type); - journal_end(&th, sb, 2); + err = journal_end(&th, sb, 2); + if (!ret && err) + ret = err; +out: reiserfs_write_unlock(sb); return ret; } -- cgit v1.1