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Date: Thu, 20 Aug 2020 11:20:59 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Christophe JAILLET <christophe.jaillet@...adoo.fr>, Sumit Semwal <sumit.semwal@...aro.org>, "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>, Jonathan Corbet <corbet@....net>, Viresh Kumar <viresh.kumar@...aro.org>, Jani Nikula <jani.nikula@...el.com>, Mauro Carvalho Chehab <mchehab+samsung@...nel.org>, Eric Miao <eric.miao@...vell.com>, Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.14 084/228] video: pxafb: Fix the function used to balance a dma_alloc_coherent() call From: Christophe JAILLET <christophe.jaillet@...adoo.fr> [ Upstream commit 499a2c41b954518c372873202d5e7714e22010c4 ] 'dma_alloc_coherent()' must be balanced by a call to 'dma_free_coherent()' not 'dma_free_wc()'. The correct dma_free_ function is already used in the error handling path of the probe function. Fixes: 77e196752bdd ("[ARM] pxafb: allow video memory size to be configurable") Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr> Cc: Sumit Semwal <sumit.semwal@...aro.org> Cc: Rafael J. Wysocki <rafael.j.wysocki@...el.com> Cc: Jonathan Corbet <corbet@....net> Cc: Viresh Kumar <viresh.kumar@...aro.org> Cc: Jani Nikula <jani.nikula@...el.com> cc: Mauro Carvalho Chehab <mchehab+samsung@...nel.org> Cc: Eric Miao <eric.miao@...vell.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200429084505.108897-1-christophe.jaillet@wanadoo.fr Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/video/fbdev/pxafb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index 29f00eccdd015..08ee77d5df8b2 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2449,8 +2449,8 @@ static int pxafb_remove(struct platform_device *dev) free_pages_exact(fbi->video_mem, fbi->video_mem_size); - dma_free_wc(&dev->dev, fbi->dma_buff_size, fbi->dma_buff, - fbi->dma_buff_phys); + dma_free_coherent(&dev->dev, fbi->dma_buff_size, fbi->dma_buff, + fbi->dma_buff_phys); iounmap(fbi->mmio_base); -- 2.25.1
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