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authorJan Kara <jack@suse.cz>2014-09-04 16:15:51 +0200
committerJan Kara <jack@suse.cz>2014-09-04 21:36:35 +0200
commit6d3d5e860a114ae606b1af2ba7f64cb19fbeb414 (patch)
tree81d9443311a711bf56bc07f82cbd5328fcd376a7 /fs/udf/namei.c
parentc03aa9f6e1f938618e6db2e23afef0574efeeb65 (diff)
udf: Make udf_read_inode() and udf_iget() return error
Currently __udf_read_inode() wasn't returning anything and we found out whether we succeeded reading inode by checking whether inode is bad or not. udf_iget() returned NULL on failure and inode pointer otherwise. Make these two functions properly propagate errors up the call stack and use the return value in callers. Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/udf/namei.c')
-rw-r--r--fs/udf/namei.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 83a06001742b..e041fd9c6816 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -270,9 +270,8 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
NULL, 0),
};
inode = udf_iget(dir->i_sb, lb);
- if (!inode) {
- return ERR_PTR(-EACCES);
- }
+ if (IS_ERR(inode))
+ return inode;
} else
#endif /* UDF_RECOVERY */
@@ -285,9 +284,8 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
loc = lelb_to_cpu(cfi.icb.extLocation);
inode = udf_iget(dir->i_sb, &loc);
- if (!inode) {
- return ERR_PTR(-EACCES);
- }
+ if (IS_ERR(inode))
+ return ERR_CAST(inode);
}
return d_splice_alias(inode, dentry);
@@ -1222,7 +1220,7 @@ static struct dentry *udf_get_parent(struct dentry *child)
struct udf_fileident_bh fibh;
if (!udf_find_entry(child->d_inode, &dotdot, &fibh, &cfi))
- goto out_unlock;
+ return ERR_PTR(-EACCES);
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
@@ -1230,12 +1228,10 @@ static struct dentry *udf_get_parent(struct dentry *child)
tloc = lelb_to_cpu(cfi.icb.extLocation);
inode = udf_iget(child->d_inode->i_sb, &tloc);
- if (!inode)
- goto out_unlock;
+ if (IS_ERR(inode))
+ return ERR_CAST(inode);
return d_obtain_alias(inode);
-out_unlock:
- return ERR_PTR(-EACCES);
}
@@ -1252,8 +1248,8 @@ static struct dentry *udf_nfs_get_inode(struct super_block *sb, u32 block,
loc.partitionReferenceNum = partref;
inode = udf_iget(sb, &loc);
- if (inode == NULL)
- return ERR_PTR(-ENOMEM);
+ if (IS_ERR(inode))
+ return ERR_CAST(inode);
if (generation && inode->i_generation != generation) {
iput(inode);

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