ALSA: usb-audio: add support for Akai MPD16

[safe/jmp/linux-2.6] / fs / dlm / plock.c

diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c
index 894a32d..d45c02d 100644 (file)
--- a/fs/dlm/plock.c
+++ b/fs/dlm/plock.c
@@ -11,6 +11,7 @@
 #include <linux/poll.h>
 #include <linux/dlm.h>
 #include <linux/dlm_plock.h>
+#include <linux/slab.h>
 
 #include "dlm_internal.h"
 #include "lockspace.h"
@@ -82,7 +83,7 @@ int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
        if (!ls)
                return -EINVAL;
 
-       xop = kzalloc(sizeof(*xop), GFP_KERNEL);
+       xop = kzalloc(sizeof(*xop), GFP_NOFS);
        if (!xop) {
                rv = -ENOMEM;
                goto out;
@@ -143,7 +144,7 @@ out:
 }
 EXPORT_SYMBOL_GPL(dlm_posix_lock);
 
-/* Returns failure iff a succesful lock operation should be canceled */
+/* Returns failure iff a successful lock operation should be canceled */
 static int dlm_plock_callback(struct plock_op *op)
 {
        struct file *file;
@@ -211,7 +212,7 @@ int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
        if (!ls)
                return -EINVAL;
 
-       op = kzalloc(sizeof(*op), GFP_KERNEL);
+       op = kzalloc(sizeof(*op), GFP_NOFS);
        if (!op) {
                rv = -ENOMEM;
                goto out;
@@ -266,7 +267,7 @@ int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
        if (!ls)
                return -EINVAL;
 
-       op = kzalloc(sizeof(*op), GFP_KERNEL);
+       op = kzalloc(sizeof(*op), GFP_NOFS);
        if (!op) {
                rv = -ENOMEM;
                goto out;
@@ -353,7 +354,7 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count,
 {
        struct dlm_plock_info info;
        struct plock_op *op;
-       int found = 0;
+       int found = 0, do_callback = 0;
 
        if (count != sizeof(info))
                return -EINVAL;
@@ -366,21 +367,24 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count,
 
        spin_lock(&ops_lock);
        list_for_each_entry(op, &recv_list, list) {
-               if (op->info.fsid == info.fsid && op->info.number == info.number &&
+               if (op->info.fsid == info.fsid &&
+                   op->info.number == info.number &&
                    op->info.owner == info.owner) {
+                       struct plock_xop *xop = (struct plock_xop *)op;
                        list_del_init(&op->list);
-                       found = 1;
-                       op->done = 1;
                        memcpy(&op->info, &info, sizeof(info));
+                       if (xop->callback)
+                               do_callback = 1;
+                       else
+                               op->done = 1;
+                       found = 1;
                        break;
                }
        }
        spin_unlock(&ops_lock);
 
        if (found) {
-               struct plock_xop *xop;
-               xop = (struct plock_xop *)op;
-               if (xop->callback)
+               if (do_callback)
                        dlm_plock_callback(op);
                else
                        wake_up(&recv_wq);