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authorIngo Molnar <mingo@elte.hu>2008-07-18 18:43:08 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 18:43:08 +0200
commitf1b0c8d3d3b5ff9c0b14bb2383a4bc38d8922bd1 (patch)
treeb7d9f439d5b99d8b03bf490d4b17156414e48d45 /drivers/scsi/3w-9xxx.c
parentd591b0a3ae25f587d0c4da1e1d1a425143590790 (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
Merge branch 'linus' into x86/amd-iommu
Diffstat (limited to 'drivers/scsi/3w-9xxx.c')
-rw-r--r--drivers/scsi/3w-9xxx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 867f6fd5c2c..7045511f9ad 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -84,6 +84,7 @@
#include <linux/pci.h>
#include <linux/time.h>
#include <linux/mutex.h>
+#include <linux/smp_lock.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
@@ -862,11 +863,13 @@ out:
} /* End twa_chrdev_ioctl() */
/* This function handles open for the character device */
+/* NOTE that this function will race with remove. */
static int twa_chrdev_open(struct inode *inode, struct file *file)
{
unsigned int minor_number;
int retval = TW_IOCTL_ERROR_OS_ENODEV;
+ cycle_kernel_lock();
minor_number = iminor(inode);
if (minor_number >= twa_device_extension_count)
goto out;