From: Jann Horn <ja...@google.com>

commit 52f6f9d74f31078964ca1574f7bb612da7877ac8 upstream.

As sparse points out, these two copy_from_user() should actually be
copy_to_user().

Fixes: 229b53c9bf4e ("take floppy compat ioctls to sodding floppy.c")
Cc: sta...@vger.kernel.org
Acked-by: Alexander Popov <alex.po...@linux.com>
Reviewed-by: Mukesh Ojha <mo...@codeaurora.org>
Signed-off-by: Jann Horn <ja...@google.com>
Signed-off-by: Jens Axboe <ax...@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/block/floppy.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3791,7 +3791,7 @@ static int compat_getdrvprm(int drive,
        v.native_format = UDP->native_format;
        mutex_unlock(&floppy_mutex);
 
-       if (copy_from_user(arg, &v, sizeof(struct compat_floppy_drive_params)))
+       if (copy_to_user(arg, &v, sizeof(struct compat_floppy_drive_params)))
                return -EFAULT;
        return 0;
 }
@@ -3827,7 +3827,7 @@ static int compat_getdrvstat(int drive,
        v.bufblocks = UDRS->bufblocks;
        mutex_unlock(&floppy_mutex);
 
-       if (copy_from_user(arg, &v, sizeof(struct compat_floppy_drive_struct)))
+       if (copy_to_user(arg, &v, sizeof(struct compat_floppy_drive_struct)))
                return -EFAULT;
        return 0;
 Eintr:


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