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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 20:05:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 20:05:37 -0700
commit4b4f1d017815f96737ca4a62f90e5a1f0b9f02d6 (patch)
treec95ae92ec01cabf6c2a40d31a31da6a4d9256816 /drivers
parent875287caa067492779670f5fb3b98ec8dcfe2cb0 (diff)
parentaa7dfb8954ccf49e026ba13d12991a4eb7defb96 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (87 commits) nilfs2: get rid of bd_mount_sem use from nilfs nilfs2: correct exclusion control in nilfs_remount function nilfs2: simplify remaining sget() use nilfs2: get rid of sget use for checking if current mount is present nilfs2: get rid of sget use for acquiring nilfs object nilfs2: remove meaningless EBUSY case from nilfs_get_sb function remove the call to ->write_super in __sync_filesystem nilfs2: call nilfs2_write_super from nilfs2_sync_fs jffs2: call jffs2_write_super from jffs2_sync_fs ufs: add ->sync_fs sysv: add ->sync_fs hfsplus: add ->sync_fs hfs: add ->sync_fs fat: add ->sync_fs ext2: add ->sync_fs exofs: add ->sync_fs bfs: add ->sync_fs affs: add ->sync_fs sanitize ->fsync() for affs repair bfs_write_inode(), switch bfs to simple_fsync() ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ieee1394/dv1394.c5
-rw-r--r--drivers/ieee1394/ieee1394_core.h6
-rw-r--r--drivers/usb/core/inode.c5
3 files changed, 13 insertions, 3 deletions
diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c
index 823a6297a1a..2cd00b5b45b 100644
--- a/drivers/ieee1394/dv1394.c
+++ b/drivers/ieee1394/dv1394.c
@@ -1789,12 +1789,13 @@ static int dv1394_open(struct inode *inode, struct file *file)
} else {
/* look up the card by ID */
unsigned long flags;
+ int idx = ieee1394_file_to_instance(file);
spin_lock_irqsave(&dv1394_cards_lock, flags);
if (!list_empty(&dv1394_cards)) {
struct video_card *p;
list_for_each_entry(p, &dv1394_cards, list) {
- if ((p->id) == ieee1394_file_to_instance(file)) {
+ if ((p->id) == idx) {
video = p;
break;
}
@@ -1803,7 +1804,7 @@ static int dv1394_open(struct inode *inode, struct file *file)
spin_unlock_irqrestore(&dv1394_cards_lock, flags);
if (!video) {
- debug_printk("dv1394: OHCI card %d not found", ieee1394_file_to_instance(file));
+ debug_printk("dv1394: OHCI card %d not found", idx);
return -ENODEV;
}
diff --git a/drivers/ieee1394/ieee1394_core.h b/drivers/ieee1394/ieee1394_core.h
index 21d50f73a21..28b9f58bafd 100644
--- a/drivers/ieee1394/ieee1394_core.h
+++ b/drivers/ieee1394/ieee1394_core.h
@@ -5,6 +5,7 @@
#include <linux/fs.h>
#include <linux/list.h>
#include <linux/types.h>
+#include <linux/cdev.h>
#include <asm/atomic.h>
#include "hosts.h"
@@ -155,7 +156,10 @@ void hpsb_packet_received(struct hpsb_host *host, quadlet_t *data, size_t size,
*/
static inline unsigned char ieee1394_file_to_instance(struct file *file)
{
- return file->f_path.dentry->d_inode->i_cindex;
+ int idx = cdev_index(file->f_path.dentry->d_inode);
+ if (idx < 0)
+ idx = 0;
+ return idx;
}
extern int hpsb_disable_irm;
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index dff5760a37f..ffe75e83787 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -39,6 +39,7 @@
#include <linux/parser.h>
#include <linux/notifier.h>
#include <linux/seq_file.h>
+#include <linux/smp_lock.h>
#include <asm/byteorder.h>
#include "usb.h"
#include "hcd.h"
@@ -265,9 +266,13 @@ static int remount(struct super_block *sb, int *flags, char *data)
return -EINVAL;
}
+ lock_kernel();
+
if (usbfs_mount && usbfs_mount->mnt_sb)
update_sb(usbfs_mount->mnt_sb);
+ unlock_kernel();
+
return 0;
}