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* Fixed CID 1293: a vnode reference, and the cookie could be leaked.

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* Minor cleanup.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38195 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2010-08-17 16:08:50 +00:00
parent 6dcca7f6ab
commit 297e601d68
1 changed files with 10 additions and 9 deletions
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19
src/system/kernel/device_manager/devfs.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2009, Axel Dörfler, axeld@pinc-software.de.
* Copyright 2002-2010, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
@ -1090,7 +1090,8 @@ devfs_create(fs_volume* _volume, fs_vnode* _dir, const char* name, int openMode,
struct devfs_vnode* vnode;
status_t status = B_OK;
TRACE(("devfs_create: dir %p, name \"%s\", openMode 0x%x, fs_cookie %p \n", dir, name, openMode, _cookie));
TRACE(("devfs_create: dir %p, name \"%s\", openMode 0x%x, fs_cookie %p \n",
dir, name, openMode, _cookie));
RecursiveLocker locker(fs->lock);
@ -1099,11 +1100,11 @@ devfs_create(fs_volume* _volume, fs_vnode* _dir, const char* name, int openMode,
if (vnode == NULL)
return EROFS;
if (openMode & O_EXCL)
if ((openMode & O_EXCL) != 0)
return B_FILE_EXISTS;
status = get_vnode(fs->volume, vnode->id, NULL);
if (status < B_OK)
if (status != B_OK)
return status;
locker.Unlock();
@ -1119,18 +1120,18 @@ devfs_create(fs_volume* _volume, fs_vnode* _dir, const char* name, int openMode,
if (S_ISCHR(vnode->stream.type)) {
BaseDevice* device = vnode->stream.u.dev.device;
status = device->InitDevice();
if (status < B_OK)
return status;
if (status != B_OK)
goto err2;
char path[B_FILE_NAME_LENGTH];
get_device_name(vnode, path, sizeof(path));
status = device->Open(path, openMode, &cookie->device_cookie);
if (status != B_OK)
if (status != B_OK) {
device->UninitDevice();
goto err2;
}
}
if (status < B_OK)
goto err2;
*_cookie = cookie;
return B_OK;