| Message ID | 20200429084505.108897-1-christophe.jaillet@wanadoo.fr (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | video: pxafb: Fix the function used to balance a 'dma_alloc_coherent()' call | expand |
On 4/29/20 10:45 AM, Christophe JAILLET wrote: > '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> Applied to drm-misc-next tree (patch should show up in v5.9), thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics > --- > 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 00b96a78676e..6f972bed410a 100644 > --- a/drivers/video/fbdev/pxafb.c > +++ b/drivers/video/fbdev/pxafb.c > @@ -2417,8 +2417,8 @@ 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); > > return 0; > } >
diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index 00b96a78676e..6f972bed410a 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2417,8 +2417,8 @@ 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); return 0; }
'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> --- drivers/video/fbdev/pxafb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)