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staging: wilc1000: replace kmalloc/memcpy with kmemdup

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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 2015-10-28 08:19:27 +09:00 committed by Greg Kroah-Hartman
parent ff3bce2f6c
commit 58eabd68a4
1 changed files with 4 additions and 2 deletions
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6
drivers/staging/wilc1000/host_interface.c
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@ -3165,8 +3165,10 @@ int host_int_add_wep_key_bss_ap(struct host_if_drv *hif_drv,
msg.body.key_info.type = WEP;
msg.body.key_info.action = ADDKEY_AP;
msg.drv = hif_drv;
msg.body.key_info.attr.wep.key = kmalloc(len, GFP_KERNEL);
memcpy(msg.body.key_info.attr.wep.key, key, len);
msg.body.key_info.attr.wep.key = kmemdup(key, len, GFP_KERNEL);
if (!msg.body.key_info.attr.wep.key)
return -ENOMEM;
msg.body.key_info.attr.wep.key_len = len;
msg.body.key_info.attr.wep.index = index;
msg.body.key_info.attr.wep.mode = mode;