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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-03-13 21:29:14 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-03-23 15:21:42 +0300
commit790f3b60ac78efb339c7ef2f4d2dba63c804110a (patch)
tree92c3e1723f2a8b0b340c4d800402159909aa561c /drivers/dma/idxd
parent94a1150421940ff2e8113b5fa6837774777d5b3d (diff)
downloadlinux-790f3b60ac78efb339c7ef2f4d2dba63c804110a.tar.xz
dmaengine: idxd: use const struct bus_type *
In the functions unbind_store() and bind_store(), a struct bus_type * should be a const one, as the driver core bus functions used by this variable are expecting the pointer to be constant, and these functions do not modify the pointer at all. Cc: dmaengine@vger.kernel.org Acked-by: Vinod Koul <vkoul@kernel.org> Acked-by: Fenghua Yu <fenghua.yu@intel.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/20230313182918.1312597-32-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dma/idxd')
-rw-r--r--drivers/dma/idxd/compat.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/idxd/compat.c b/drivers/dma/idxd/compat.c
index 3df21615f888..5fd38d1b9d28 100644
--- a/drivers/dma/idxd/compat.c
+++ b/drivers/dma/idxd/compat.c
@@ -16,7 +16,7 @@ extern void device_driver_detach(struct device *dev);
static ssize_t unbind_store(struct device_driver *drv, const char *buf, size_t count)
{
- struct bus_type *bus = drv->bus;
+ const struct bus_type *bus = drv->bus;
struct device *dev;
int rc = -ENODEV;
@@ -32,7 +32,7 @@ static DRIVER_ATTR_IGNORE_LOCKDEP(unbind, 0200, NULL, unbind_store);
static ssize_t bind_store(struct device_driver *drv, const char *buf, size_t count)
{
- struct bus_type *bus = drv->bus;
+ const struct bus_type *bus = drv->bus;
struct device *dev;
struct device_driver *alt_drv = NULL;
int rc = -ENODEV;