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facetimehd: return error if channel list is empty

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Signed-off-by: Sven Schnelle <svens@stackframe.org>
This commit is contained in:
Sven Schnelle
2015-11-28 23:01:19 +01:00
parent ca8c5584e0
commit c0e9fbb6e6
1 changed files with 3 additions and 2 deletions
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5
fthd_isp.c
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@@ -209,13 +209,14 @@ static int isp_fill_channel_info(struct fthd_private *dev_priv, int offset, int
int i;
if (!num_channels)
return 0;
return -EINVAL;
dev_priv->num_channels = num_channels;
dev_priv->channels = kzalloc(num_channels * sizeof(struct fw_channel *), GFP_KERNEL);
if (!dev_priv->channels)
goto out;
dev_priv->num_channels = num_channels;
for(i = 0; i < num_channels; i++) {
FTHD_S2_MEMCPY_FROMIO(&info, offset + i * 256, sizeof(info));