From acc84b05b1f463952a638689335ca47e70d5ea30 Mon Sep 17 00:00:00 2001 From: Dave Kleikamp Date: Wed, 15 Jul 2015 13:53:19 -0500 Subject: jfs: Handle error from dquot_initialize() dquot_initialize() can now return error. Handle it where possible Slightly modified by Dave Kleikamp due to needed jfs_rename() error path fix. Signed-off-by: Jan Kara Reviewed-by: Dave Kleikamp --- fs/jfs/namei.c | 54 ++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 40 insertions(+), 14 deletions(-) (limited to 'fs/jfs/namei.c') diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index a5ac97b9a933..35976bdccafc 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -86,7 +86,9 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode, jfs_info("jfs_create: dip:0x%p name:%pd", dip, dentry); - dquot_initialize(dip); + rc = dquot_initialize(dip); + if (rc) + goto out1; /* * search parent directory for entry/freespace @@ -218,7 +220,9 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, umode_t mode) jfs_info("jfs_mkdir: dip:0x%p name:%pd", dip, dentry); - dquot_initialize(dip); + rc = dquot_initialize(dip); + if (rc) + goto out1; /* * search parent directory for entry/freespace @@ -355,8 +359,12 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry) jfs_info("jfs_rmdir: dip:0x%p name:%pd", dip, dentry); /* Init inode for quota operations. */ - dquot_initialize(dip); - dquot_initialize(ip); + rc = dquot_initialize(dip); + if (rc) + goto out; + rc = dquot_initialize(ip); + if (rc) + goto out; /* directory must be empty to be removed */ if (!dtEmpty(ip)) { @@ -483,8 +491,12 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry) jfs_info("jfs_unlink: dip:0x%p name:%pd", dip, dentry); /* Init inode for quota operations. */ - dquot_initialize(dip); - dquot_initialize(ip); + rc = dquot_initialize(dip); + if (rc) + goto out; + rc = dquot_initialize(ip); + if (rc) + goto out; if ((rc = get_UCSname(&dname, dentry))) goto out; @@ -799,7 +811,9 @@ static int jfs_link(struct dentry *old_dentry, jfs_info("jfs_link: %pd %pd", old_dentry, dentry); - dquot_initialize(dir); + rc = dquot_initialize(dir); + if (rc) + goto out; tid = txBegin(ip->i_sb, 0); @@ -810,7 +824,7 @@ static int jfs_link(struct dentry *old_dentry, * scan parent directory for entry/freespace */ if ((rc = get_UCSname(&dname, dentry))) - goto out; + goto out_tx; if ((rc = dtSearch(dir, &dname, &ino, &btstack, JFS_CREATE))) goto free_dname; @@ -842,12 +856,13 @@ static int jfs_link(struct dentry *old_dentry, free_dname: free_UCSname(&dname); - out: + out_tx: txEnd(tid); mutex_unlock(&JFS_IP(ip)->commit_mutex); mutex_unlock(&JFS_IP(dir)->commit_mutex); + out: jfs_info("jfs_link: rc:%d", rc); return rc; } @@ -891,7 +906,9 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry, jfs_info("jfs_symlink: dip:0x%p name:%s", dip, name); - dquot_initialize(dip); + rc = dquot_initialize(dip); + if (rc) + goto out1; ssize = strlen(name) + 1; @@ -1082,8 +1099,12 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, jfs_info("jfs_rename: %pd %pd", old_dentry, new_dentry); - dquot_initialize(old_dir); - dquot_initialize(new_dir); + rc = dquot_initialize(old_dir); + if (rc) + goto out1; + rc = dquot_initialize(new_dir); + if (rc) + goto out1; old_ip = d_inode(old_dentry); new_ip = d_inode(new_dentry); @@ -1130,7 +1151,9 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, } else if (new_ip) { IWRITE_LOCK(new_ip, RDWRLOCK_NORMAL); /* Init inode for quota operations. */ - dquot_initialize(new_ip); + rc = dquot_initialize(new_ip); + if (rc) + goto out_unlock; } /* @@ -1318,6 +1341,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, clear_cflag(COMMIT_Stale, old_dir); } + out_unlock: if (new_ip && !S_ISDIR(new_ip->i_mode)) IWRITE_UNLOCK(new_ip); out3: @@ -1353,7 +1377,9 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry, jfs_info("jfs_mknod: %pd", dentry); - dquot_initialize(dir); + rc = dquot_initialize(dir); + if (rc) + goto out; if ((rc = get_UCSname(&dname, dentry))) goto out; -- cgit v1.2.3-59-g8ed1b