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path: root/drivers/char/istallion.c
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Diffstat (limited to 'drivers/char/istallion.c')
-rw-r--r--drivers/char/istallion.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index c645455c3fd1..37dc3d202c27 100644
--- 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;
}