From: Christophe JAILLET christophe.jaillet@wanadoo.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@wanadoo.fr Cc: Sumit Semwal sumit.semwal@linaro.org Cc: Rafael J. Wysocki rafael.j.wysocki@intel.com Cc: Jonathan Corbet corbet@lwn.net Cc: Viresh Kumar viresh.kumar@linaro.org Cc: Jani Nikula jani.nikula@intel.com cc: Mauro Carvalho Chehab mchehab+samsung@kernel.org Cc: Eric Miao eric.miao@marvell.com Signed-off-by: Bartlomiej Zolnierkiewicz b.zolnierkie@samsung.com Link: https://patchwork.freedesktop.org/patch/msgid/20200429084505.108897-1-christ... Signed-off-by: Sasha Levin sashal@kernel.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 8503310a38167..7f8b6af29aab4 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2447,8 +2447,8 @@ 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);