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authorIngo Molnar <mingo@elte.hu>2008-06-16 11:19:53 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 11:19:53 +0200
commit064a32d82c20cdcb0119a8b316eb520608d8c647 (patch)
treec67d534bd4458b1482c11f11c724fe93beca4f80 /drivers/firewire/fw-cdev.c
parent0327318445d55808991a63137cfb698a90ab6adf (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into x86/memtesttip-x86-memtest-2008-06-16_09.19_Mon
Diffstat (limited to 'drivers/firewire/fw-cdev.c')
-rw-r--r--drivers/firewire/fw-cdev.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c
index 4a541921a14a..dda14015e873 100644
--- a/drivers/firewire/fw-cdev.c
+++ b/drivers/firewire/fw-cdev.c
@@ -113,6 +113,11 @@ static int fw_device_op_open(struct inode *inode, struct file *file)
if (device == NULL)
return -ENODEV;
+ if (fw_device_is_shutdown(device)) {
+ fw_device_put(device);
+ return -ENODEV;
+ }
+
client = kzalloc(sizeof(*client), GFP_KERNEL);
if (client == NULL) {
fw_device_put(device);
@@ -901,6 +906,9 @@ fw_device_op_ioctl(struct file *file,
{
struct client *client = file->private_data;
+ if (fw_device_is_shutdown(client->device))
+ return -ENODEV;
+
return dispatch_ioctl(client, cmd, (void __user *) arg);
}
@@ -911,6 +919,9 @@ fw_device_op_compat_ioctl(struct file *file,
{
struct client *client = file->private_data;
+ if (fw_device_is_shutdown(client->device))
+ return -ENODEV;
+
return dispatch_ioctl(client, cmd, compat_ptr(arg));
}
#endif
@@ -922,6 +933,9 @@ static int fw_device_op_mmap(struct file *file, struct vm_area_struct *vma)
unsigned long size;
int page_count, retval;
+ if (fw_device_is_shutdown(client->device))
+ return -ENODEV;
+
/* FIXME: We could support multiple buffers, but we don't. */
if (client->buffer.pages != NULL)
return -EBUSY;