From: Yiannis Pericleous <yiannos@louie.fsl.cs.sunysb.edu>
Date: Fri, 27 Apr 2007 20:08:10 +0000 (-0400)
Subject: odf bug: dget odf/sb when reading/writting sb file
X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=2ccee576e1cc9295c8a2b2f2cba9dc61b85adc18;p=unionfs-odf.git

odf bug: dget odf/sb when reading/writting sb file
---

diff --git a/fs/unionfs/file.c b/fs/unionfs/file.c
index 6959beaa63..c76c53757d 100644
--- a/fs/unionfs/file.c
+++ b/fs/unionfs/file.c
@@ -50,7 +50,7 @@ static ssize_t unionfs_aio_read(struct kiocb *iocb, const struct iovec *iov,
 	int err;
 
 	err = generic_file_aio_read(iocb, iov, nr_segs, pos);
-	
+
 	if (err == -EIOCBQUEUED)
 		err = wait_on_sync_kiocb(iocb);
 
diff --git a/fs/unionfs/odf.c b/fs/unionfs/odf.c
index 847cd0b5b9..3e5938c8ad 100644
--- a/fs/unionfs/odf.c
+++ b/fs/unionfs/odf.c
@@ -1926,7 +1926,9 @@ int odf_write_sb_data(struct odf_sb_info* osi, struct unionfs_data *data, struct
 		err = -EINVAL;
 		goto out;
 	}
-	else if (d_content->d_inode) {
+
+	dget(d_content);
+	if (d_content->d_inode) {
 		/* truncate */
 		attr.ia_size = 0;
 		attr.ia_valid = ATTR_SIZE | ATTR_FORCE;
@@ -2066,7 +2068,9 @@ char *odf_read_sb_data(struct odf_sb_info *odf_sb, int **bid)
 		err = -EINVAL;
 		goto out_err;
 	}
-	else if (!d_content->d_inode) {
+
+	dget(d_content);
+	if (!d_content->d_inode) {
 		dput(d_content);
 		err = -EINVAL;
 		goto out_err;