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| author |   Arnd Bergmann <arnd@arndb.de> | 2018-09-11 17:23:00 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2019-10-23 17:23:43 +0200 |
| commit | 407e9ef72476e64937ebec44cc835e03a25fb408 (patch) | |
| tree | f39676cf265edd608c095532c554e9d58a177fe1 /drivers/hwtracing/stm | |
| parent | compat_ioctl: move rtc handling into drivers/rtc/dev.c (diff) | |
| download | linux-dev-407e9ef72476e64937ebec44cc835e03a25fb408.tar.xz linux-dev-407e9ef72476e64937ebec44cc835e03a25fb408.zip | |
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/stm')
| -rw-r--r-- | drivers/hwtracing/stm/core.c | 12 |
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, }; |