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[SCSI] iscsi: handle nonlinear skbs 

From: zhenyu.z.wang@intel.com

Fix oops from nonlinear skb usage.

Signed-off-by: Alex Aizman <itn780@yahoo.com>
Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Mike Christie 2005-09-12 21:01:35 -05:00 committed by James Bottomley
parent af973481f4
commit bb05234979
1 changed files with 1 additions and 2 deletions
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3
drivers/scsi/iscsi_tcp.c
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@ -1061,7 +1061,6 @@ iscsi_tcp_data_recv(read_descriptor_t *rd_desc, struct sk_buff *skb,
{ {
int rc; int rc;
struct iscsi_conn *conn = rd_desc->arg.data; struct iscsi_conn *conn = rd_desc->arg.data;
int start = skb_headlen(skb);
int processed; int processed;
char pad[ISCSI_PAD_LEN]; char pad[ISCSI_PAD_LEN];
struct scatterlist sg; struct scatterlist sg;
@ -1070,7 +1069,7 @@ iscsi_tcp_data_recv(read_descriptor_t *rd_desc, struct sk_buff *skb,
* Save current SKB and its offset in the corresponding * Save current SKB and its offset in the corresponding
* connection context. * connection context.
*/ */
conn->in.copy = start - offset; conn->in.copy = skb->len - offset;
conn->in.offset = offset; conn->in.offset = offset;
conn->in.skb = skb; conn->in.skb = skb;
conn->in.len = conn->in.copy; conn->in.len = conn->in.copy;