[PATCH 09/12] jfs: add error handling for dquot_initialize

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Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>
---
 fs/jfs/file.c      |    7 ++++-
 fs/jfs/jfs_inode.c |    5 +++-
 fs/jfs/namei.c     |   59 +++++++++++++++++++++++++++++++++++++--------------
 3 files changed, 52 insertions(+), 19 deletions(-)

diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index 85d9ec6..cb0da27 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -98,8 +98,11 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
 	if (rc)
 		return rc;
 
-	if (is_quota_modification(inode, iattr))
-		dquot_initialize(inode);
+	if (is_quota_modification(inode, iattr)) {
+		rc = dquot_initialize(inode);
+		if (rc)
+			return rc;
+	}
 	if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
 	    (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
 		rc = dquot_transfer(inode, iattr);
diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index 829921b..8d18c95 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -116,7 +116,10 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
 	/*
 	 * Allocate inode to quota.
 	 */
-	dquot_initialize(inode);
+	rc = dquot_initialize(inode);
+	if (rc)
+		goto fail_unlock;
+
 	rc = dquot_alloc_inode(inode);
 	if (rc)
 		goto fail_drop;
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index a9cf8e8..96d40a6 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -85,7 +85,9 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode,
 
 	jfs_info("jfs_create: dip:0x%p name:%s", dip, dentry->d_name.name);
 
-	dquot_initialize(dip);
+	rc = dquot_initialize(dip);
+	if (rc)
+		goto out1;
 
 	/*
 	 * search parent directory for entry/freespace
@@ -217,7 +219,9 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
 
 	jfs_info("jfs_mkdir: dip:0x%p name:%s", dip, dentry->d_name.name);
 
-	dquot_initialize(dip);
+	rc = dquot_initialize(dip);
+	if (rc)
+		goto out1;
 
 	/* link count overflow on parent directory ? */
 	if (dip->i_nlink == JFS_LINK_MAX) {
@@ -360,8 +364,12 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
 	jfs_info("jfs_rmdir: dip:0x%p name:%s", dip, dentry->d_name.name);
 
 	/* 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)) {
@@ -488,8 +496,12 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
 	jfs_info("jfs_unlink: dip:0x%p name:%s", dip, dentry->d_name.name);
 
 	/* 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;
@@ -811,7 +823,9 @@ static int jfs_link(struct dentry *old_dentry,
 	if (ip->i_nlink == 0)
 		return -ENOENT;
 
-	dquot_initialize(dir);
+	rc = dquot_initialize(dir);
+	if (rc)
+		return rc;
 
 	tid = txBegin(ip->i_sb, 0);
 
@@ -904,7 +918,9 @@ 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;
 
@@ -1097,12 +1113,24 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	jfs_info("jfs_rename: %s %s", old_dentry->d_name.name,
 		 new_dentry->d_name.name);
 
-	dquot_initialize(old_dir);
-	dquot_initialize(new_dir);
-
 	old_ip = old_dentry->d_inode;
 	new_ip = new_dentry->d_inode;
 
+	/* Init inode for quota operations. */
+	rc = dquot_initialize(old_dir);
+	if (rc)
+		goto out1;
+
+	rc = dquot_initialize(new_dir);
+	if(rc)
+		goto out1;
+
+	if (new_ip) {
+		rc = dquot_initialize(new_ip);
+		if(rc)
+			goto out1;
+	}
+
 	if ((rc = get_UCSname(&old_dname, old_dentry)))
 		goto out1;
 
@@ -1146,11 +1174,8 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 			rc = -EMLINK;
 			goto out3;
 		}
-	} else if (new_ip) {
+	} else if (new_ip)
 		IWRITE_LOCK(new_ip, RDWRLOCK_NORMAL);
-		/* Init inode for quota operations. */
-		dquot_initialize(new_ip);
-	}
 
 	/*
 	 * The real work starts here
@@ -1373,7 +1398,9 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry,
 
 	jfs_info("jfs_mknod: %s", dentry->d_name.name);
 
-	dquot_initialize(dir);
+	rc = dquot_initialize(dir);
+	if (rc)
+		goto out;
 
 	if ((rc = get_UCSname(&dname, dentry)))
 		goto out;
-- 
1.6.6.1

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