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authorArnd Bergmann <arnd@arndb.de>2018-09-11 17:23:00 +0200
committerArnd Bergmann <arnd@arndb.de>2019-10-23 17:23:43 +0200
commit407e9ef72476e64937ebec44cc835e03a25fb408 (patch)
treef39676cf265edd608c095532c554e9d58a177fe1 /drivers/hwtracing
parent076ff658628678f73d2349a699c3431877c1a075 (diff)
compat_ioctl: move drivers to compat_ptr_ioctl
Each of these drivers has a copy of the same trivial helper function to convert the pointer argument and then call the native ioctl handler. We now have a generic implementation of that, so use it. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Reviewed-by: Jiri Kosina <jkosina@suse.cz> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/stm/core.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index 603b83ac5085..2712e699ba08 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -832,23 +832,13 @@ stm_char_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return err;
}
-#ifdef CONFIG_COMPAT
-static long
-stm_char_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
- return stm_char_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
-}
-#else
-#define stm_char_compat_ioctl NULL
-#endif
-
static const struct file_operations stm_fops = {
.open = stm_char_open,
.release = stm_char_release,
.write = stm_char_write,
.mmap = stm_char_mmap,
.unlocked_ioctl = stm_char_ioctl,
- .compat_ioctl = stm_char_compat_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.llseek = no_llseek,
};