isicom: istallion prepare for lock_kernel pushdown

This is an ancient driver so just wrap it in lock_kernel internally and
be done.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index c645455c3fd1552ed9f7932bd28dabb7f963280d..37dc3d202c272b738d35c165ab646a1a261c2e83 100644 (file)
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -4433,6 +4433,8 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
        done = 0;
        rc = 0;
 
+       lock_kernel();
+
        switch (cmd) {
        case COM_GETPORTSTATS:
                rc = stli_getportstats(NULL, argp);
@@ -4455,6 +4457,7 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
                done++;
                break;
        }
+       unlock_kernel();
 
        if (done)
                return rc;
@@ -4472,6 +4475,8 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
        if (brdp->state == 0)
                return -ENODEV;
 
+       lock_kernel();
+
        switch (cmd) {
        case STL_BINTR:
                EBRDINTR(brdp);
@@ -4494,6 +4499,7 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
                rc = -ENOIOCTLCMD;
                break;
        }
+       unlock_kernel();
        return rc;
 }