linux-kernel - [PATCH] driver core: fix up some missing class.devnode() conversions.

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Message-Id: <20221128173539.3112234-1-gregkh@linuxfoundation.org>
Date:   Mon, 28 Nov 2022 18:35:39 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Frederic Barrat <fbarrat@...ux.ibm.com>,
        Andrew Donnellan <ajd@...ux.ibm.com>,
        Arnd Bergmann <arnd@...db.de>, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH] driver core: fix up some missing class.devnode() conversions.

In commit ff62b8e6588f ("driver core: make struct class.devnode() take a
const *") the ->devnode callback changed the pointer to be const, but a
few instances of PowerPC drivers were not caught for some reason.

Fix this up by changing the pointers to be const.

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Nicholas Piggin <npiggin@...il.com>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: Frederic Barrat <fbarrat@...ux.ibm.com>
Cc: Andrew Donnellan <ajd@...ux.ibm.com>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: linuxppc-dev@...ts.ozlabs.org
Fixes: ff62b8e6588f ("driver core: make struct class.devnode() take a const *")
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/powerpc/platforms/book3s/vas-api.c | 2 +-
 drivers/misc/cxl/file.c                 | 2 +-
 drivers/misc/ocxl/file.c                | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/book3s/vas-api.c b/arch/powerpc/platforms/book3s/vas-api.c
index 40f5ae5e1238..eb5bed333750 100644
--- a/arch/powerpc/platforms/book3s/vas-api.c
+++ b/arch/powerpc/platforms/book3s/vas-api.c
@@ -53,7 +53,7 @@ struct coproc_instance {
 	struct vas_window *txwin;
 };
 
-static char *coproc_devnode(struct device *dev, umode_t *mode)
+static char *coproc_devnode(const struct device *dev, umode_t *mode)
 {
 	return kasprintf(GFP_KERNEL, "crypto/%s", dev_name(dev));
 }
diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c
index 3dbdce96fae0..5878329b011a 100644
--- a/drivers/misc/cxl/file.c
+++ b/drivers/misc/cxl/file.c
@@ -546,7 +546,7 @@ static const struct file_operations afu_master_fops = {
 };
 
 
-static char *cxl_devnode(struct device *dev, umode_t *mode)
+static char *cxl_devnode(const struct device *dev, umode_t *mode)
 {
 	if (cpu_has_feature(CPU_FTR_HVMODE) &&
 	    CXL_DEVT_IS_CARD(dev->devt)) {
diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c
index d46dba2df5a1..d96be36405a0 100644
--- a/drivers/misc/ocxl/file.c
+++ b/drivers/misc/ocxl/file.c
@@ -581,7 +581,7 @@ void ocxl_file_unregister_afu(struct ocxl_afu *afu)
 	device_unregister(&info->dev);
 }
 
-static char *ocxl_devnode(struct device *dev, umode_t *mode)
+static char *ocxl_devnode(const struct device *dev, umode_t *mode)
 {
 	return kasprintf(GFP_KERNEL, "ocxl/%s", dev_name(dev));
 }
-- 
2.38.1