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net: caif: Fix debugfs on 64-bit platforms

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"ser_device.state" is "unsigned long", i.e. 32-bit or 64-bit, depending
on the platform.  Hence casting its address to "u32 *", and calling
debugfs_create_x32() breaks operation on 64-bit platforms.

Fix this by using the new debugfs_create_xul() helper instead.

Fixes: 9b27105b4a ("net-caif-driver: add CAIF serial driver (ldisc)")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191025094130.26033-4-geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geert Uytterhoeven 2019-10-25 11:41:26 +02:00 committed by Greg Kroah-Hartman
parent 0628cda318
commit b52517e456
1 changed files with 2 additions and 2 deletions
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4
drivers/net/caif/caif_serial.c
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@ -102,8 +102,8 @@ static inline void debugfs_init(struct ser_device *ser, struct tty_struct *tty)
debugfs_create_blob("last_rx_msg", 0400, ser->debugfs_tty_dir,
&ser->rx_blob);
debugfs_create_x32("ser_state", 0400, ser->debugfs_tty_dir,
(u32 *)&ser->state);
debugfs_create_xul("ser_state", 0400, ser->debugfs_tty_dir,
&ser->state);
debugfs_create_x8("tty_status", 0400, ser->debugfs_tty_dir,
&ser->tty_status);