diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/vesafb.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c index f3069b01e24..9ed1a931dd3 100644 --- a/drivers/video/vesafb.c +++ b/drivers/video/vesafb.c @@ -389,10 +389,11 @@ static int __init vesafb_probe(struct device *device) 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; } } |