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authorArnd Bergmann <arnd@arndb.de>2018-09-11 18:28:08 +0300
committerArnd Bergmann <arnd@arndb.de>2019-10-23 18:23:44 +0300
commit01b8bca81e181ccca475e1fdb92ebb00d9d9b547 (patch)
treeadd9d3a93003f7e21c9ede260d97c56b5284fbda /drivers/misc/cxl
parent1832f2d8ff69138aa70d3cb3b4ea3c2058e73aea (diff)
downloadlinux-01b8bca81e181ccca475e1fdb92ebb00d9d9b547.tar.xz
compat_ioctl: use correct compat_ptr() translation in drivers
A handful of drivers all have a trivial wrapper around their ioctl handler, but don't call the compat_ptr() conversion function at the moment. In practice this does not matter, since none of them are used on the s390 architecture and for all other architectures, compat_ptr() does not do anything, but using the new compat_ptr_ioctl() helper makes it more correct in theory, and simplifies the code. I checked that all ioctl handlers in these files are compatible and take either pointer arguments or no argument. Acked-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/misc/cxl')
-rw-r--r--drivers/misc/cxl/flash.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/misc/cxl/flash.c b/drivers/misc/cxl/flash.c
index 4d6836f19489..cb9cca35a226 100644
--- a/drivers/misc/cxl/flash.c
+++ b/drivers/misc/cxl/flash.c
@@ -473,12 +473,6 @@ static long device_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return -EINVAL;
}
-static long device_compat_ioctl(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- return device_ioctl(file, cmd, arg);
-}
-
static int device_close(struct inode *inode, struct file *file)
{
struct cxl *adapter = file->private_data;
@@ -514,7 +508,7 @@ static const struct file_operations fops = {
.owner = THIS_MODULE,
.open = device_open,
.unlocked_ioctl = device_ioctl,
- .compat_ioctl = device_compat_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.release = device_close,
};