diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2009-11-23 14:49:36 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2009-11-23 14:49:36 -0700 |
| commit | 2cfcadde83b308240690ff1c18f117d8bc7a08b0 (patch) | |
| tree | aa0795966d070d1f7a5221232d9ba47744bddb5f /drivers/acpi/video.c | |
| parent | e91edcf5a2940bb7f1f316c871dfe9e2aaf9d6d9 (diff) | |
| parent | 648f4e3e50c4793d9dbf9a09afa193631f76fa26 (diff) | |
Merge commit 'v2.6.32-rc8'
Diffstat (limited to 'drivers/acpi/video.c')
| -rw-r--r-- | drivers/acpi/video.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index f6e54bf8dd9..05dff631591 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1109,7 +1109,12 @@ static int acpi_video_bus_check(struct acpi_video_bus *video) */ /* Does this device support video switching? */ - if (video->cap._DOS) { + if (video->cap._DOS || video->cap._DOD) { + if (!video->cap._DOS) { + printk(KERN_WARNING FW_BUG + "ACPI(%s) defines _DOD but not _DOS\n", + acpi_device_bid(video->device)); + } video->flags.multihead = 1; status = 0; } @@ -1218,7 +1223,7 @@ acpi_video_device_write_state(struct file *file, u32 state = 0; - if (!dev || count + 1 > sizeof str) + if (!dev || count >= sizeof(str)) return -EINVAL; if (copy_from_user(str, buffer, count)) @@ -1275,7 +1280,7 @@ acpi_video_device_write_brightness(struct file *file, int i; - if (!dev || !dev->brightness || count + 1 > sizeof str) + if (!dev || !dev->brightness || count >= sizeof(str)) return -EINVAL; if (copy_from_user(str, buffer, count)) @@ -1557,7 +1562,7 @@ acpi_video_bus_write_POST(struct file *file, unsigned long long opt, options; - if (!video || count + 1 > sizeof str) + if (!video || count >= sizeof(str)) return -EINVAL; status = acpi_video_bus_POST_options(video, &options); @@ -1597,7 +1602,7 @@ acpi_video_bus_write_DOS(struct file *file, unsigned long opt; - if (!video || count + 1 > sizeof str) + if (!video || count >= sizeof(str)) return -EINVAL; if (copy_from_user(str, buffer, count)) |