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-rw-r--r--drivers/char/drm/i810_dma.c8
-rw-r--r--drivers/char/drm/i830_dma.c2
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c
index 28ee6e3f1d9..fa2de70f740 100644
--- a/drivers/char/drm/i810_dma.c
+++ b/drivers/char/drm/i810_dma.c
@@ -141,10 +141,10 @@ static int i810_map_buffer(drm_buf_t * buf, struct file *filp)
MAP_SHARED, buf->bus_address);
dev_priv->mmap_buffer = NULL;
filp->f_op = old_fops;
- if ((unsigned long)buf_priv->virtual > -1024UL) {
+ if (IS_ERR(buf_priv->virtual)) {
/* Real error */
DRM_ERROR("mmap error\n");
- retcode = (signed int)buf_priv->virtual;
+ retcode = PTR_ERR(buf_priv->virtual);
buf_priv->virtual = NULL;
}
up_write(&current->mm->mmap_sem);
@@ -808,7 +808,7 @@ static void i810_dma_dispatch_vertex(drm_device_t * dev,
((GFX_OP_PRIMITIVE | prim | ((used / 4) - 2)));
if (used & 4) {
- *(u32 *) ((u32) buf_priv->kernel_virtual + used) = 0;
+ *(u32 *) ((char *) buf_priv->kernel_virtual + used) = 0;
used += 4;
}
@@ -1166,7 +1166,7 @@ static void i810_dma_dispatch_mc(drm_device_t * dev, drm_buf_t * buf, int used,
if (buf_priv->currently_mapped == I810_BUF_MAPPED) {
if (used & 4) {
- *(u32 *) ((u32) buf_priv->virtual + used) = 0;
+ *(u32 *) ((char *) buf_priv->virtual + used) = 0;
used += 4;
}
diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c
index 2cf3cc59ac6..4f0e5746ab3 100644
--- a/drivers/char/drm/i830_dma.c
+++ b/drivers/char/drm/i830_dma.c
@@ -146,7 +146,7 @@ static int i830_map_buffer(drm_buf_t * buf, struct file *filp)
if (IS_ERR((void *)virtual)) { /* ugh */
/* Real error */
DRM_ERROR("mmap error\n");
- retcode = virtual;
+ retcode = PTR_ERR((void *)virtual);
buf_priv->virtual = NULL;
} else {
buf_priv->virtual = (void __user *)virtual;