linux-kernel - [PATCH 3.16 043/328] mtd: rawnand: mxc: remove __init qualifier from mxcnd_probe

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Message-ID: <lsq.1544392233.437031256@decadent.org.uk>
Date:   Sun, 09 Dec 2018 21:50:33 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "Martin Kaiser" <martin@...ser.cx>,
        "Miquel Raynal" <miquel.raynal@...tlin.com>,
        "Boris Brezillon" <boris.brezillon@...tlin.com>
Subject: [PATCH 3.16 043/328] mtd: rawnand: mxc: remove __init qualifier
 from mxcnd_probe_dt

3.16.62-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Martin Kaiser <martin@...ser.cx>

commit 24f0ae995deb728076e3ea93fea1949a9775debf upstream.

Using the sysfs unbind, bind nodes, mxcnd_probe and mxcnd_probe_dt can
potentially be called at any time. After the __init functions are cleaned,
mxcnd_probe_dt is no longer available. Calling it anyway causes a crash.

mxcnd_probe used to be marked as __init, this was removed years ago.
Remove the __init qualifier from from mxcnd_probe_dt as well.

Fixes: 06f255106923 ("mtd: remove use of __devinit")
Signed-off-by: Martin Kaiser <martin@...ser.cx>
Reviewed-by: Boris Brezillon <boris.brezillon@...tlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
[bwh: Backported to 3.16: adjust filename]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/mtd/nand/mxc_nand.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -1360,7 +1360,7 @@ static const struct of_device_id mxcnd_d
 	{ /* sentinel */ }
 };
 
-static int __init mxcnd_probe_dt(struct mxc_nand_host *host)
+static int mxcnd_probe_dt(struct mxc_nand_host *host)
 {
 	struct device_node *np = host->dev->of_node;
 	struct mxc_nand_platform_data *pdata = &host->pdata;
@@ -1387,7 +1387,7 @@ static int __init mxcnd_probe_dt(struct
 	return 0;
 }
 #else
-static int __init mxcnd_probe_dt(struct mxc_nand_host *host)
+static int mxcnd_probe_dt(struct mxc_nand_host *host)
 {
 	return 1;
 }