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-rw-r--r--drivers/isdn/isdn_common.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/isdn/isdn_common.c b/drivers/isdn/isdn_common.c
index 3f4953f06..331842fab 100644
--- a/drivers/isdn/isdn_common.c
+++ b/drivers/isdn/isdn_common.c
@@ -1787,6 +1787,7 @@ static struct file_operations isdn_fops =
isdn_ioctl, /* isdn_ioctl */
NULL, /* isdn_mmap */
isdn_open,
+ NULL, /* flush */
isdn_close,
NULL /* fsync */
};