diff options
Diffstat (limited to 'drivers/video/vesafb.c')
| -rw-r--r-- | drivers/video/vesafb.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c index 3027841f9c2..9ed1a931dd3 100644 --- a/drivers/video/vesafb.c +++ b/drivers/video/vesafb.c @@ -271,7 +271,7 @@ static int __init vesafb_probe(struct device *device) if (!request_mem_region(vesafb_fix.smem_start, size_total, "vesafb")) { printk(KERN_WARNING - "vesafb: abort, cannot reserve video memory at 0x%lx\n", + "vesafb: cannot reserve video memory at 0x%lx\n", vesafb_fix.smem_start); /* We cannot make this fatal. Sometimes this comes from magic spaces our resource handlers simply don't know about */ @@ -279,13 +279,13 @@ static int __init vesafb_probe(struct device *device) info = framebuffer_alloc(sizeof(u32) * 256, &dev->dev); if (!info) { - release_mem_region(vesafb_fix.smem_start, vesafb_fix.smem_len); + release_mem_region(vesafb_fix.smem_start, size_total); return -ENOMEM; } info->pseudo_palette = info->par; info->par = NULL; - info->screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len); + info->screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len); if (!info->screen_base) { printk(KERN_ERR "vesafb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n", @@ -386,13 +386,14 @@ static int __init vesafb_probe(struct device *device) request_region(0x3c0, 32, "vesafb"); if (mtrr) { - int temp_size = size_total; + unsigned int temp_size = size_total; /* Find the largest power-of-two */ while (temp_size & (temp_size - 1)) - temp_size &= (temp_size - 1); - - /* Try and find a power of two to add */ - while (temp_size && mtrr_add(vesafb_fix.smem_start, temp_size, MTRR_TYPE_WRCOMB, 1)==-EINVAL) { + temp_size &= (temp_size - 1); + + /* Try and find a power of two to add */ + while (temp_size > PAGE_SIZE && + mtrr_add(vesafb_fix.smem_start, temp_size, MTRR_TYPE_WRCOMB, 1)==-EINVAL) { temp_size >>= 1; } } |