[PATCH] fbdev: pvr2fb: correct user pointer annotation and sentinel initializer

Add __user annotation to buf, as it is passed as a user pointer in
pin_user_pages_fast(). Use an empty initializer for the sentinel
board-table entry to avoid initializing a function pointer with an
integer literal.

Fixes: 5f566c0ac51c ("fbdev: pvr2fb: Fix leftover reference to ONCHIP_NR_DMA_CHANNELS")
Reported-by: kernel test robot <redacted>
Closes: https://lore.kernel.org/oe-kbuild-all/202607131247.fpQ6eTc7-lkp@intel.com/ (local)
Signed-off-by: Florian Fuchs <redacted>
---
Not sure, if we do such changes, but as I received a test robot email, I
leave it up to you all :) (I also compiled and tested the change)

 drivers/video/fbdev/pvr2fb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c
index 9428716e2dc4..a6e7abca7a06 100644
--- a/drivers/video/fbdev/pvr2fb.c
+++ b/drivers/video/fbdev/pvr2fb.c

@@ -639,7 +639,7 @@ static irqreturn_t __maybe_unused pvr2fb_interrupt(int irq, void *dev_id)
 }
 
 #ifdef CONFIG_PVR2_DMA
-static ssize_t pvr2fb_write(struct fb_info *info, const char *buf,
+static ssize_t pvr2fb_write(struct fb_info *info, const char __user *buf,
 			    size_t count, loff_t *ppos)
 {
 	unsigned long dst, start, end, len;

@@ -1077,7 +1077,7 @@ static struct pvr2_board {
 #ifdef CONFIG_PCI
 	{ pvr2fb_pci_init, pvr2fb_pci_exit, "PCI PVR2" },
 #endif
-	{ 0, },
+	{ },
 };
 
 static int __init pvr2fb_init(void)

-- 
2.43.0