diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:36:55 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:36:55 +0200 |
commit | bc588df79ebfb710abc27342fccf336a68ed1216 (patch) | |
tree | e50e125eaa6da83fa715704e53c1bde013d1ef8e /drivers/usb/mon/mon_bin.c | |
parent | bce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff) | |
parent | 15dd859cacf312f606f54502d1f66537a1e5c78c (diff) |
Merge branch 'x86/core' into x86/xsave
Diffstat (limited to 'drivers/usb/mon/mon_bin.c')
-rw-r--r-- | drivers/usb/mon/mon_bin.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index 49145534e06..6566fc0a322 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -15,6 +15,7 @@ #include <linux/poll.h> #include <linux/compat.h> #include <linux/mm.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> @@ -527,14 +528,17 @@ static int mon_bin_open(struct inode *inode, struct file *file) size_t size; int rc; + lock_kernel(); mutex_lock(&mon_lock); if ((mbus = mon_bus_lookup(iminor(inode))) == NULL) { mutex_unlock(&mon_lock); + unlock_kernel(); return -ENODEV; } if (mbus != &mon_bus0 && mbus->u_bus == NULL) { printk(KERN_ERR TAG ": consistency error on open\n"); mutex_unlock(&mon_lock); + unlock_kernel(); return -ENODEV; } @@ -568,6 +572,7 @@ static int mon_bin_open(struct inode *inode, struct file *file) file->private_data = rp; mutex_unlock(&mon_lock); + unlock_kernel(); return 0; err_allocbuff: @@ -576,6 +581,7 @@ err_allocvec: kfree(rp); err_alloc: mutex_unlock(&mon_lock); + unlock_kernel(); return rc; } @@ -1156,8 +1162,9 @@ int mon_bin_add(struct mon_bus *mbus, const struct usb_bus *ubus) if (minor >= MON_BIN_MAX_MINOR) return 0; - dev = device_create(mon_bin_class, ubus? ubus->controller: NULL, - MKDEV(MAJOR(mon_bin_dev0), minor), "usbmon%d", minor); + dev = device_create_drvdata(mon_bin_class, ubus? ubus->controller: NULL, + MKDEV(MAJOR(mon_bin_dev0), minor), NULL, + "usbmon%d", minor); if (IS_ERR(dev)) return 0; |