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staging: wilc1000: use kmemdup instead of kmalloc/memcpy

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This patch replaces kmalloc followed by memcpy with kmemdup.
It is also added error checking to return -ENOMEM when kmemdup is
failed.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chaehyun Lim 2016-01-05 23:06:55 +09:00 committed by Greg Kroah-Hartman
parent d317818bf4
commit 1a271d9960
1 changed files with 8 additions and 4 deletions
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12
drivers/staging/wilc1000/host_interface.c
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@ -3704,12 +3704,16 @@ int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type,
msg.body.scan_info.arg = user_arg;
msg.body.scan_info.ch_list_len = ch_list_len;
msg.body.scan_info.ch_freq_list = kmalloc(ch_list_len, GFP_KERNEL);
memcpy(msg.body.scan_info.ch_freq_list, ch_freq_list, ch_list_len);
msg.body.scan_info.ch_freq_list = kmemdup(ch_freq_list,
ch_list_len,
GFP_KERNEL);
if (!msg.body.scan_info.ch_freq_list)
return -ENOMEM;
msg.body.scan_info.ies_len = ies_len;
msg.body.scan_info.ies = kmalloc(ies_len, GFP_KERNEL);
memcpy(msg.body.scan_info.ies, ies, ies_len);
msg.body.scan_info.ies = kmemdup(ies, ies_len, GFP_KERNEL);
if (!msg.body.scan_info.ies)
return -ENOMEM;
result = wilc_mq_send(&hif_msg_q, &msg, sizeof(struct host_if_msg));
if (result) {