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Staging: vt6655: memory corruption in check in wpa_set_wpadev()

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The original code left it up to the user to decide how much data to
copy, but that doesn't work with a fixed size array.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dan Carpenter 2011-10-18 09:27:25 +03:00 committed by Greg Kroah-Hartman
parent 4535743304
commit 6b7200fe0a
1 changed files with 3 additions and 1 deletions
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4
drivers/staging/vt6655/wpactl.c
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@ -213,7 +213,9 @@ int wpa_set_wpadev(PSDevice pDevice, int val)
int uu, ii;
if (param->u.wpa_key.alg_name > WPA_ALG_CCMP)
if (param->u.wpa_key.alg_name > WPA_ALG_CCMP ||
param->u.wpa_key.key_len >= MAX_KEY_LEN ||
param->u.wpa_key.seq_len >= MAX_KEY_LEN)
return -EINVAL;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name);