Thanks for spotting!
But while fixing this one also fix the ordering (which was never
reached due to this wrong check) a few lines later.
Patch (combined) at the end.
Thanks,
Bruno
On Fri, 6 Aug 2010 08:28:49 Dan Carpenter <error27@xxxxxxxxx> wrote:
> "ref_cnt" is a point to the reference count and it's non-null. We really
> want to test the reference count itself.
>
> Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
>
> diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
> index 346f0e3..c0bdeba 100644
> --- a/drivers/hid/hid-picolcd.c
> +++ b/drivers/hid/hid-picolcd.c
> @@ -547,7 +547,7 @@ static void picolcd_fb_destroy(struct fb_info *info)
> ref_cnt--;
> mutex_lock(&info->lock);
> (*ref_cnt)--;
> - may_release = !ref_cnt;
> + may_release = !*ref_cnt;
> mutex_unlock(&info->lock);
> if (may_release) {
> framebuffer_release(info);
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -547,11 +547,11 @@ static void picolcd_fb_destroy(struct fb
ref_cnt--;
mutex_lock(&info->lock);
(*ref_cnt)--;
- may_release = !ref_cnt;
+ may_release = !*ref_cnt;
mutex_unlock(&info->lock);
if (may_release) {
- framebuffer_release(info);
vfree((u8 *)info->fix.smem_start);
+ framebuffer_release(info);
}
}
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