From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Date: Wed, 15 Jan 2020 15:51:13 +0000 Subject: Re: [PATCH] pxa168fb: fix release function mismatch in probe failure Message-Id: <83ca49d1-ca86-1005-7799-cc9f95af28db@samsung.com> List-Id: References: <20191205160613.32075-1-hslester96@gmail.com> In-Reply-To: <20191205160613.32075-1-hslester96@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Chuhong Yuan Cc: linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org On 12/5/19 5:06 PM, Chuhong Yuan wrote: > The driver uses kfree() to release the resource allocated by > framebuffer_alloc(), which does not match. > Use framebuffer_release() instead to fix it. For pxa168fb driver framebuffer_release() does only kfree() so there is no real breakage currently. Lets fix it anyway so it won't break in the future. > Fixes: 638772c7553f ("fb: add support of LCD display controller on pxa168/910 (base layer)") > Signed-off-by: Chuhong Yuan Patch queued for v5.6, thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics > --- > drivers/video/fbdev/pxa168fb.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c > index 1410f476e135..b9435133b6f3 100644 > --- a/drivers/video/fbdev/pxa168fb.c > +++ b/drivers/video/fbdev/pxa168fb.c > @@ -769,7 +769,7 @@ static int pxa168fb_probe(struct platform_device *pdev) > dma_free_coherent(fbi->dev, info->fix.smem_len, > info->screen_base, fbi->fb_start_dma); > failed_free_info: > - kfree(info); > + framebuffer_release(info); > > dev_err(&pdev->dev, "frame buffer device init failed with %d\n", ret); > return ret; >