diff options
| author | Peter Zu <pzu@nvidia.com> | 2011-04-06 21:42:33 -0700 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-04-19 21:01:30 -0700 |
| commit | a0bc574c527079a6895e82cc3ba96ed397db416b (patch) | |
| tree | f977f3f13e72a30cfc3fc9d6630b52e390d5ae3c | |
| parent | e3a7fc444a93dfcb045c98db77975dfcd783a63f (diff) | |
video: tegra: dc: hdcp: handle the case of DEVICE_COUNT = 0 properly
bug 811316
Change-Id: I4513f81719a60c8f214ee07082e58defb1cca0aa
Reviewed-on: http://git-master/r/26985
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
| -rw-r--r-- | drivers/video/tegra/dc/nvhdcp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/tegra/dc/nvhdcp.c b/drivers/video/tegra/dc/nvhdcp.c index 657f621f0c23..f3a689559dda 100644 --- a/drivers/video/tegra/dc/nvhdcp.c +++ b/drivers/video/tegra/dc/nvhdcp.c @@ -354,6 +354,9 @@ static int get_ksvfifo(struct tegra_nvhdcp *nvhdcp, if (!ksv_list || num_bksv_list > TEGRA_NVHDCP_MAX_DEVS) return -EINVAL; + if (num_bksv_list == 0) + return 0; + buf = kmalloc(buf_len, GFP_KERNEL); if (IS_ERR_OR_NULL(buf)) return -ENOMEM; |