diff options
Diffstat (limited to 'fs/cifs/xattr.c')
| -rw-r--r-- | fs/cifs/xattr.c | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c index 41a611e76bb7..aa3e8ca0457c 100644 --- a/fs/cifs/xattr.c +++ b/fs/cifs/xattr.c @@ -30,6 +30,7 @@ #include "cifs_debug.h" #include "cifs_fs_sb.h" #include "cifs_unicode.h" +#include "cifs_ioctl.h" #define MAX_EA_VALUE_SIZE CIFSMaxBufSize #define CIFS_XATTR_CIFS_ACL "system.cifs_acl" /* DACL only */ @@ -53,7 +54,7 @@ enum { XATTR_USER, XATTR_CIFS_ACL, XATTR_ACL_ACCESS, XATTR_ACL_DEFAULT, XATTR_CIFS_NTSD, XATTR_CIFS_NTSD_FULL }; static int cifs_attrib_set(unsigned int xid, struct cifs_tcon *pTcon, - struct inode *inode, char *full_path, + struct inode *inode, const char *full_path, const void *value, size_t size) { ssize_t rc = -EOPNOTSUPP; @@ -77,7 +78,7 @@ static int cifs_attrib_set(unsigned int xid, struct cifs_tcon *pTcon, } static int cifs_creation_time_set(unsigned int xid, struct cifs_tcon *pTcon, - struct inode *inode, char *full_path, + struct inode *inode, const char *full_path, const void *value, size_t size) { ssize_t rc = -EOPNOTSUPP; @@ -112,7 +113,8 @@ static int cifs_xattr_set(const struct xattr_handler *handler, struct cifs_sb_info *cifs_sb = CIFS_SB(sb); struct tcon_link *tlink; struct cifs_tcon *pTcon; - char *full_path; + const char *full_path; + void *page; tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) @@ -120,10 +122,11 @@ static int cifs_xattr_set(const struct xattr_handler *handler, pTcon = tlink_tcon(tlink); xid = get_xid(); + page = alloc_dentry_path(); - full_path = build_path_from_dentry(dentry); - if (full_path == NULL) { - rc = -ENOMEM; + full_path = build_path_from_dentry(dentry, page); + if (IS_ERR(full_path)) { + rc = PTR_ERR(full_path); goto out; } /* return dos attributes as pseudo xattr */ @@ -235,7 +238,7 @@ static int cifs_xattr_set(const struct xattr_handler *handler, } out: - kfree(full_path); + free_dentry_path(page); free_xid(xid); cifs_put_tlink(tlink); return rc; @@ -297,7 +300,8 @@ static int cifs_xattr_get(const struct xattr_handler *handler, struct cifs_sb_info *cifs_sb = CIFS_SB(sb); struct tcon_link *tlink; struct cifs_tcon *pTcon; - char *full_path; + const char *full_path; + void *page; tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) @@ -305,10 +309,11 @@ static int cifs_xattr_get(const struct xattr_handler *handler, pTcon = tlink_tcon(tlink); xid = get_xid(); + page = alloc_dentry_path(); - full_path = build_path_from_dentry(dentry); - if (full_path == NULL) { - rc = -ENOMEM; + full_path = build_path_from_dentry(dentry, page); + if (IS_ERR(full_path)) { + rc = PTR_ERR(full_path); goto out; } @@ -401,7 +406,7 @@ static int cifs_xattr_get(const struct xattr_handler *handler, rc = -EOPNOTSUPP; out: - kfree(full_path); + free_dentry_path(page); free_xid(xid); cifs_put_tlink(tlink); return rc; @@ -414,7 +419,11 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size) struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb); struct tcon_link *tlink; struct cifs_tcon *pTcon; - char *full_path; + const char *full_path; + void *page; + + if (unlikely(cifs_forced_shutdown(cifs_sb))) + return -EIO; if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR) return -EOPNOTSUPP; @@ -425,10 +434,11 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size) pTcon = tlink_tcon(tlink); xid = get_xid(); + page = alloc_dentry_path(); - 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 list_ea_exit; } /* return dos attributes as pseudo xattr */ @@ -442,7 +452,7 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size) rc = pTcon->ses->server->ops->query_all_EAs(xid, pTcon, full_path, NULL, data, buf_size, cifs_sb); list_ea_exit: - kfree(full_path); + free_dentry_path(page); free_xid(xid); cifs_put_tlink(tlink); return rc; |