3 files changed, 5 insertions, 4 deletions

diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index 080db812ca48..2784f0a9d693 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -441,7 +441,7 @@ static int arcfb_ioctl(struct inode *inode, struct file *file,
  * the fb. it's inefficient for them to do anything less than 64*8
  * writes since we update the lcd in each write() anyway.
  */
-static ssize_t arcfb_write(struct file *file, const char *buf, size_t count,
+static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t count,
                                 loff_t *ppos)
 {
         /* modded from epson 1355 */
diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c
index c589d23e7f91..a9300f930ef2 100644
--- a/drivers/video/cyber2000fb.c
+++ b/drivers/video/cyber2000fb.c
@@ -1512,7 +1512,7 @@ static int cyberpro_pci_enable_mmio(struct cfb_info *cfb)
          * I/O cycles storing into a reserved memory space at
          * physical address 0x3000000
          */
-        unsigned char *iop;
+        unsigned char __iomem *iop;
 
         iop = ioremap(0x3000000, 0x5000);
         if (iop == NULL) {
@@ -1526,7 +1526,7 @@ static int cyberpro_pci_enable_mmio(struct cfb_info *cfb)
         writeb(EXT_BIU_MISC, iop + 0x3ce);
         writeb(EXT_BIU_MISC_LIN_ENABLE, iop + 0x3cf);
 
-        iounmap((void *)iop);
+        iounmap(iop);
 #else
         /*
          * Most other machine types are "normal", so
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 7b4cd250bec8..9fc10b9e6f57 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -1396,7 +1396,8 @@ static struct platform_driver pxafb_driver = {
 int __devinit pxafb_setup(char *options)
 {
 # ifdef CONFIG_FB_PXA_PARAMETERS
-        strlcpy(g_options, options, sizeof(g_options));
+        if (options)
+                strlcpy(g_options, options, sizeof(g_options));
 # endif
         return 0;
 }