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-rw-r--r--drivers/video/arcfb.c2
-rw-r--r--drivers/video/cyber2000fb.c4
-rw-r--r--drivers/video/pxafb.c3
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;
}