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path: root/drivers/char/ipmi
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Diffstat (limited to 'drivers/char/ipmi')
-rw-r--r--drivers/char/ipmi/ipmi_devintf.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index c816656d6bfb..c11a40483459 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -101,7 +101,9 @@ static int ipmi_fasync(int fd, struct file *file, int on)
struct ipmi_file_private *priv = file->private_data;
int result;
+ lock_kernel(); /* could race against open() otherwise */
result = fasync_helper(fd, file, on, &priv->fasync_queue);
+ unlock_kernel();
return (result);
}