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path: root/drivers/lguest/lguest_user.c
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Diffstat (limited to 'drivers/lguest/lguest_user.c')
-rw-r--r--drivers/lguest/lguest_user.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c
index 816d4d12a80..5632ed82798 100644
--- a/drivers/lguest/lguest_user.c
+++ b/drivers/lguest/lguest_user.c
@@ -167,11 +167,11 @@ static int initialize(struct file *file, const u32 __user *input)
/* "struct lguest" contains everything we (the Host) know about a
* Guest. */
struct lguest *lg;
- int err, i;
+ int err;
u32 args[5];
- /* We grab the Big Lguest lock, which protects the global array
- * "lguests" and multiple simultaneous initializations. */
+ /* We grab the Big Lguest lock, which protects against multiple
+ * simultaneous initializations. */
mutex_lock(&lguest_lock);
/* You can't initialize twice! Close the device and start again... */
if (file->private_data) {
@@ -184,18 +184,13 @@ static int initialize(struct file *file, const u32 __user *input)
goto unlock;
}
- /* Find an unused guest. */
- i = find_free_guest();
- if (i < 0) {
- err = -ENOSPC;
+ lg = kzalloc(sizeof(*lg), GFP_KERNEL);
+ if (!lg) {
+ err = -ENOMEM;
goto unlock;
}
- /* OK, we have an index into the "lguest" array: "lg" is a convenient
- * pointer. */
- lg = &lguests[i];
/* Populate the easy fields of our "struct lguest" */
- lg->guestid = i;
lg->mem_base = (void __user *)(long)args[0];
lg->pfn_limit = args[1];
lg->page_offset = args[4];