diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-07-22 08:09:30 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-07-26 20:53:32 -0400 |
| commit | 256984a83880ff7ac78055cb87baea48137f0b77 (patch) | |
| tree | a6a98bd747503df5d302b80aefd691db2a508252 /fs | |
| parent | f419a2e3b64def707e1384ee38abb77f99af5f6d (diff) | |
[PATCH] preparation to __user_walk_fd cleanup
Almost all users __user_walk_fd() and friends care only about struct path.
Get rid of the few that do not.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/inotify_user.c | 2 | ||||
| -rw-r--r-- | fs/open.c | 18 |
2 files changed, 11 insertions, 9 deletions
diff --git a/fs/inotify_user.c b/fs/inotify_user.c index fe79c25d95dc..9b99ebf28884 100644 --- a/fs/inotify_user.c +++ b/fs/inotify_user.c @@ -365,7 +365,7 @@ static int find_inode(const char __user *dirname, struct nameidata *nd, if (error) return error; /* you can only watch an inode if you have read permissions on it */ - error = vfs_permission(nd, MAY_READ); + error = inode_permission(nd->path.dentry->d_inode, MAY_READ); if (error) path_put(&nd->path); return error; diff --git a/fs/open.c b/fs/open.c index d5e421ad0cf6..e94266700eda 100644 --- a/fs/open.c +++ b/fs/open.c @@ -251,7 +251,7 @@ static long do_sys_truncate(const char __user * path, loff_t length) if (error) goto dput_and_out; - error = vfs_permission(&nd, MAY_WRITE); + error = inode_permission(inode, MAY_WRITE); if (error) goto mnt_drop_write_and_out; @@ -426,6 +426,7 @@ out: asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode) { struct nameidata nd; + struct inode *inode; int old_fsuid, old_fsgid; kernel_cap_t uninitialized_var(old_cap); /* !SECURE_NO_SETUID_FIXUP */ int res; @@ -461,7 +462,9 @@ asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode) if (res) goto out; - if ((mode & MAY_EXEC) && S_ISREG(nd.path.dentry->d_inode->i_mode)) { + inode = nd.path.dentry->d_inode; + + if ((mode & MAY_EXEC) && S_ISREG(inode->i_mode)) { /* * MAY_EXEC on regular files is denied if the fs is mounted * with the "noexec" flag. @@ -471,10 +474,9 @@ asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode) goto out_path_release; } - res = vfs_permission(&nd, mode | MAY_ACCESS); + res = inode_permission(inode, mode | MAY_ACCESS); /* SuS v2 requires we report a read only fs too */ - if(res || !(mode & S_IWOTH) || - special_file(nd.path.dentry->d_inode->i_mode)) + if (res || !(mode & S_IWOTH) || special_file(inode->i_mode)) goto out_path_release; /* * This is a rare case where using __mnt_is_readonly() @@ -515,7 +517,7 @@ asmlinkage long sys_chdir(const char __user * filename) if (error) goto out; - error = vfs_permission(&nd, MAY_EXEC | MAY_ACCESS); + error = inode_permission(nd.path.dentry->d_inode, MAY_EXEC | MAY_ACCESS); if (error) goto dput_and_out; @@ -544,7 +546,7 @@ asmlinkage long sys_fchdir(unsigned int fd) if (!S_ISDIR(inode->i_mode)) goto out_putf; - error = file_permission(file, MAY_EXEC | MAY_ACCESS); + error = inode_permission(inode, MAY_EXEC | MAY_ACCESS); if (!error) set_fs_pwd(current->fs, &file->f_path); out_putf: @@ -562,7 +564,7 @@ asmlinkage long sys_chroot(const char __user * filename) if (error) goto out; - error = vfs_permission(&nd, MAY_EXEC | MAY_ACCESS); + error = inode_permission(nd.path.dentry->d_inode, MAY_EXEC | MAY_ACCESS); if (error) goto dput_and_out; |