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OpenCloudOS-Kernel
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hsi: use kmemdup 

Use kmemdup when some other buffer is immediately copied into allocated
region. It replaces call to allocation followed by memcpy, by a single
call to kmemdup.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
Muhammad Falak R Wani 2016-05-19 16:39:28 +05:30 committed by Sebastian Reichel
parent f6004b7bc6
commit b32bd7e7d5
1 changed files with 4 additions and 4 deletions
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8
drivers/hsi/hsi.c
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@ -90,19 +90,19 @@ struct hsi_client *hsi_new_client(struct hsi_port *port,
cl->tx_cfg = info->tx_cfg;
if (cl->tx_cfg.channels) {
size = cl->tx_cfg.num_channels * sizeof(*cl->tx_cfg.channels);
cl->tx_cfg.channels = kzalloc(size , GFP_KERNEL);
cl->tx_cfg.channels = kmemdup(info->tx_cfg.channels, size,
GFP_KERNEL);
if (!cl->tx_cfg.channels)
goto err_tx;
memcpy(cl->tx_cfg.channels, info->tx_cfg.channels, size);
}
cl->rx_cfg = info->rx_cfg;
if (cl->rx_cfg.channels) {
size = cl->rx_cfg.num_channels * sizeof(*cl->rx_cfg.channels);
cl->rx_cfg.channels = kzalloc(size , GFP_KERNEL);
cl->rx_cfg.channels = kmemdup(info->rx_cfg.channels, size,
GFP_KERNEL);
if (!cl->rx_cfg.channels)
goto err_rx;
memcpy(cl->rx_cfg.channels, info->rx_cfg.channels, size);
}
cl->device.bus = &hsi_bus_type;