diff options
| author | codeworkx <codeworkx@cyanogenmod.com> | 2012-09-18 18:51:21 +0200 |
|---|---|---|
| committer | codeworkx <codeworkx@cyanogenmod.com> | 2012-09-18 19:02:23 +0200 |
| commit | f991bd2a427ec6a5e049e19745aba6a5d7f006c4 (patch) | |
| tree | c6f0d428403c32c95335c34b3f0105c2e4c8087d /drivers/media/video/uvc/uvc_v4l2.c | |
| parent | c28265764ec6ad9995eb0c761a376ffc9f141fcd (diff) | |
| parent | bea37381fd9a34c6660e5195d31beea86aa3dda3 (diff) | |
| download | kernel_samsung_smdk4412-f991bd2a427ec6a5e049e19745aba6a5d7f006c4.zip kernel_samsung_smdk4412-f991bd2a427ec6a5e049e19745aba6a5d7f006c4.tar.gz kernel_samsung_smdk4412-f991bd2a427ec6a5e049e19745aba6a5d7f006c4.tar.bz2 | |
Merge linux-3.0.31 from korg into jellybean
Conflicts:
arch/arm/mm/proc-v7.S
drivers/base/core.c
drivers/gpu/drm/i915/i915_gem_execbuffer.c
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_lvds.c
drivers/gpu/drm/radeon/evergreen.c
drivers/gpu/drm/radeon/r100.c
drivers/gpu/drm/radeon/radeon_connectors.c
drivers/gpu/drm/radeon/rs600.c
drivers/usb/core/hub.c
drivers/usb/host/xhci-pci.c
drivers/usb/host/xhci.c
drivers/usb/serial/qcserial.c
fs/proc/base.c
Change-Id: Ia98b35db3f8c0bfd95817867d3acb85be8e5e772
Diffstat (limited to 'drivers/media/video/uvc/uvc_v4l2.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_v4l2.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index 543a803..dbefdb0 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -65,6 +65,15 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain, goto done; } + /* Prevent excessive memory consumption, as well as integer + * overflows. + */ + if (xmap->menu_count == 0 || + xmap->menu_count > UVC_MAX_CONTROL_MENU_ENTRIES) { + ret = -EINVAL; + goto done; + } + size = xmap->menu_count * sizeof(*map->menu_info); map->menu_info = kmalloc(size, GFP_KERNEL); if (map->menu_info == NULL) { |