diff options
author | James Morris <james.l.morris@oracle.com> | 2012-09-28 13:37:32 +1000 |
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committer | James Morris <james.l.morris@oracle.com> | 2012-09-28 13:37:32 +1000 |
commit | bf5308344527d015ac9a6d2bda4ad4d40fd7d943 (patch) | |
tree | 566e61e2cfc648c374d15cfc8c661b73e1a471f8 /drivers/video/mb862xx/mb862xxfbdrv.c | |
parent | 3585e96cd1049682b8a19a0b699422156e9d735b (diff) | |
parent | 979570e02981d4a8fc20b3cc8fd651856c98ee9d (diff) |
Merge tag 'v3.6-rc7' into next
Linux 3.6-rc7
Requested by David Howells so he can merge his key susbsystem work into
my tree with requisite -linus changesets.
Diffstat (limited to 'drivers/video/mb862xx/mb862xxfbdrv.c')
-rw-r--r-- | drivers/video/mb862xx/mb862xxfbdrv.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/mb862xx/mb862xxfbdrv.c b/drivers/video/mb862xx/mb862xxfbdrv.c index 00ce1f34b49..57d940be5f3 100644 --- a/drivers/video/mb862xx/mb862xxfbdrv.c +++ b/drivers/video/mb862xx/mb862xxfbdrv.c @@ -328,6 +328,8 @@ static int mb862xxfb_ioctl(struct fb_info *fbi, unsigned int cmd, case MB862XX_L1_SET_CFG: if (copy_from_user(l1_cfg, argp, sizeof(*l1_cfg))) return -EFAULT; + if (l1_cfg->dh == 0 || l1_cfg->dw == 0) + return -EINVAL; if ((l1_cfg->sw >= l1_cfg->dw) && (l1_cfg->sh >= l1_cfg->dh)) { /* downscaling */ outreg(cap, GC_CAP_CSC, |