[SCSI] mptfusion: mptctl_release is required in mptctl.c

Added missing release callback for file_operations mptctl_fops.
Without release callback there will be never freed. It remains on
mptctl's eent list even after the file is closed and released.

Relavent RHEL bugzilla is 660871

Cc: stable@kernel.org
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index a3856ed90aef7ce7c6953f2303581b03bddb3e3c..e8deb8ed0499d055cf258aca26e664263d099455 100644 (file)
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -596,6 +596,13 @@ mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
        return 1;
 }
 
+static int
+mptctl_release(struct inode *inode, struct file *filep)
+{
+       fasync_helper(-1, filep, 0, &async_queue);
+       return 0;
+}
+
 static int
 mptctl_fasync(int fd, struct file *filep, int mode)
 {
@@ -2815,6 +2822,7 @@ static const struct file_operations mptctl_fops = {
        .llseek =       no_llseek,
        .fasync =       mptctl_fasync,
        .unlocked_ioctl = mptctl_ioctl,
+       .release =      mptctl_release,
 #ifdef CONFIG_COMPAT
        .compat_ioctl = compat_mpctl_ioctl,
 #endif