diff options
Diffstat (limited to 'fs/cifs/link.c')
| -rw-r--r-- | fs/cifs/link.c | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 7c5878a645d9..616e1bc0cc0a 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -510,8 +510,8 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode, { int rc = -EACCES; unsigned int xid; - char *from_name = NULL; - char *to_name = NULL; + const char *from_name, *to_name; + void *page1, *page2; struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); struct tcon_link *tlink; struct cifs_tcon *tcon; @@ -524,11 +524,17 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode, tcon = tlink_tcon(tlink); xid = get_xid(); + page1 = alloc_dentry_path(); + page2 = alloc_dentry_path(); - from_name = build_path_from_dentry(old_file); - to_name = build_path_from_dentry(direntry); - if ((from_name == NULL) || (to_name == NULL)) { - rc = -ENOMEM; + from_name = build_path_from_dentry(old_file, page1); + if (IS_ERR(from_name)) { + rc = PTR_ERR(from_name); + goto cifs_hl_exit; + } + to_name = build_path_from_dentry(direntry, page2); + if (IS_ERR(to_name)) { + rc = PTR_ERR(to_name); goto cifs_hl_exit; } @@ -587,8 +593,8 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode, } cifs_hl_exit: - kfree(from_name); - kfree(to_name); + free_dentry_path(page1); + free_dentry_path(page2); free_xid(xid); cifs_put_tlink(tlink); return rc; @@ -600,7 +606,8 @@ cifs_get_link(struct dentry *direntry, struct inode *inode, { int rc = -ENOMEM; unsigned int xid; - char *full_path = NULL; + const char *full_path; + void *page; char *target_path = NULL; struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); struct tcon_link *tlink = NULL; @@ -620,11 +627,13 @@ cifs_get_link(struct dentry *direntry, struct inode *inode, tcon = tlink_tcon(tlink); server = tcon->ses->server; - full_path = build_path_from_dentry(direntry); - if (!full_path) { + page = alloc_dentry_path(); + full_path = build_path_from_dentry(direntry, page); + if (IS_ERR(full_path)) { free_xid(xid); cifs_put_tlink(tlink); - return ERR_PTR(-ENOMEM); + free_dentry_path(page); + return ERR_CAST(full_path); } cifs_dbg(FYI, "Full path: %s inode = 0x%p\n", full_path, inode); @@ -649,7 +658,7 @@ cifs_get_link(struct dentry *direntry, struct inode *inode, &target_path, reparse_point); } - kfree(full_path); + free_dentry_path(page); free_xid(xid); cifs_put_tlink(tlink); if (rc != 0) { @@ -669,7 +678,8 @@ cifs_symlink(struct user_namespace *mnt_userns, struct inode *inode, struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); struct tcon_link *tlink; struct cifs_tcon *pTcon; - char *full_path = NULL; + const char *full_path; + void *page = alloc_dentry_path(); struct inode *newinode = NULL; xid = get_xid(); @@ -681,9 +691,9 @@ cifs_symlink(struct user_namespace *mnt_userns, struct inode *inode, } pTcon = tlink_tcon(tlink); - full_path = build_path_from_dentry(direntry); - if (full_path == NULL) { - rc = -ENOMEM; + full_path = build_path_from_dentry(direntry, page); + if (IS_ERR(full_path)) { + rc = PTR_ERR(full_path); goto symlink_exit; } @@ -719,7 +729,7 @@ cifs_symlink(struct user_namespace *mnt_userns, struct inode *inode, } } symlink_exit: - kfree(full_path); + free_dentry_path(page); cifs_put_tlink(tlink); free_xid(xid); return rc; |