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Staging: vt6655-6: shift wrap in hostap_set_encryption() 

abySeq is an unsigned char so shifting more than 31 bits will lead to a
shift wrapping bug.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2012-10-11 09:55:25 +03:00 committed by Greg Kroah-Hartman
parent ff4573a7af
commit c25015c118
2 changed files with 6 additions and 6 deletions
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6
drivers/staging/vt6655/hostap.c
View File

@ -596,9 +596,9 @@ static int hostap_set_encryption(PSDevice pDevice,
if (param->u.crypt.seq) {
memcpy(&abySeq, param->u.crypt.seq, 8);
for (ii = 0 ; ii < 8 ; ii++) {
KeyRSC |= (abySeq[ii] << (ii * 8));
}
for (ii = 0 ; ii < 8 ; ii++)
KeyRSC |= (unsigned long)abySeq[ii] << (ii * 8);
dwKeyIndex |= 1 << 29;
pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = KeyRSC;
}

6
drivers/staging/vt6656/hostap.c
View File

@ -542,9 +542,9 @@ static int hostap_set_encryption(PSDevice pDevice,
if (param->u.crypt.seq) {
memcpy(&abySeq, param->u.crypt.seq, 8);
for (ii = 0 ; ii < 8 ; ii++) {
KeyRSC |= (abySeq[ii] << (ii * 8));
}
for (ii = 0 ; ii < 8 ; ii++)
KeyRSC |= (unsigned long)abySeq[ii] << (ii * 8);
dwKeyIndex |= 1 << 29;
pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = KeyRSC;
}