add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/macintosh/mac_hid.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * drivers/macintosh/mac_hid.c
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  *
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@@ -182,8 +183,7 @@
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 }
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 static int mac_hid_toggle_emumouse(struct ctl_table *table, int write,
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-				   void __user *buffer, size_t *lenp,
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-				   loff_t *ppos)
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+				   void *buffer, size_t *lenp, loff_t *ppos)
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 {
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 	int *valp = table->data;
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 	int old_val = *valp;