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target/iscsi: Fix mutual CHAP auth on big-endian arches 

See https://bugzilla.redhat.com/show_bug.cgi?id=916290

Used a temp var since we take its address in sg_init_one.

Signed-off-by: Andy Grover <agrover@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
wifi-calibration
Andy Grover 2013-03-04 13:52:09 -08:00 committed by Nicholas Bellinger
parent 882e3f8e69
commit 7ac9ad11b2
1 changed files with 4 additions and 1 deletions
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5
drivers/target/iscsi/iscsi_target_auth.c
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@ -166,6 +166,7 @@ static int chap_server_compute_md5(
{
char *endptr;
unsigned long id;
unsigned char id_as_uchar;
unsigned char digest[MD5_SIGNATURE_SIZE];
unsigned char type, response[MD5_SIGNATURE_SIZE * 2 + 2];
unsigned char identifier[10], *challenge = NULL;
@ -355,7 +356,9 @@ static int chap_server_compute_md5(
goto out;
}
sg_init_one(&sg, &id, 1);
/* To handle both endiannesses */
id_as_uchar = id;
sg_init_one(&sg, &id_as_uchar, 1);
ret = crypto_hash_update(&desc, &sg, 1);
if (ret < 0) {
pr_err("crypto_hash_update() failed for id\n");