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target/iscsi: Fix mutual CHAP auth on big-endian arches
author
Andy Grover
<agrover@redhat.com>
Mon, 4 Mar 2013 21:52:09 +0000
(13:52 -0800)
committer
Nicholas Bellinger
<nab@linux-iscsi.org>
Mon, 18 Mar 2013 19:31:21 +0000
(12:31 -0700)
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>
drivers/target/iscsi/iscsi_target_auth.c
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diff --git
a/drivers/target/iscsi/iscsi_target_auth.c
b/drivers/target/iscsi/iscsi_target_auth.c
index
db0cf7c
..
a0fc7b9
100644
(file)
--- a/
drivers/target/iscsi/iscsi_target_auth.c
+++ b/
drivers/target/iscsi/iscsi_target_auth.c
@@
-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");