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Diffstat (limited to 'drivers/scsi/3w-xxxx.c')
-rw-r--r--drivers/scsi/3w-xxxx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 8c22329aa85..a0537f09aa2 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -198,6 +198,7 @@
#include <linux/module.h>
#include <linux/reboot.h>
+#include <linux/smp_lock.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
@@ -1027,10 +1028,12 @@ out:
} /* End tw_chrdev_ioctl() */
/* This function handles open for the character device */
+/* NOTE that this function races with remove. */
static int tw_chrdev_open(struct inode *inode, struct file *file)
{
unsigned int minor_number;
+ cycle_kernel_lock();
dprintk(KERN_WARNING "3w-xxxx: tw_ioctl_open()\n");
minor_number = iminor(inode);