This allows 32 bit owners of ffs endpoints to
make ioctls into a 64 bit kernel.
All of the current epfile ioctls can be handled
with the same struct definitions as regular
ioctl.
Signed-off-by: Jerry Zhang <zhangjerry@xxxxxxxxxx>
---
drivers/usb/gadget/function/f_fs.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index d2428a9e8900..34d80cc2b667 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1262,6 +1262,14 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
return ret;
}
+#ifdef CONFIG_COMPAT
+static long ffs_epfile_compat_ioctl(struct file *file, unsigned code,
+ unsigned long value)
+{
+ return ffs_epfile_ioctl(file, code, value);
+}
+#endif
+
static const struct file_operations ffs_epfile_operations = {
.llseek = no_llseek,
@@ -1270,6 +1278,9 @@ static const struct file_operations ffs_epfile_operations = {
.read_iter = ffs_epfile_read_iter,
.release = ffs_epfile_release,
.unlocked_ioctl = ffs_epfile_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ffs_epfile_compat_ioctl,
+#endif
};
--
2.17.0.rc1.321.gba9d0f2565-goog
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