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authorNicholas Bellinger <nab@linux-iscsi.org>2014-02-03 12:55:42 -0800
committerNicholas Bellinger <nab@linux-iscsi.org>2014-02-12 15:11:17 -0800
commit752d86805b18e58c56c6f3c7004c2dffd4430c17 (patch)
treedede6ee8a09fe85f89adc5d627b694c6616cbb5a /drivers/target
parent6a16d7be932a9df1024836ccbb448de73afd3dd0 (diff)
downloadop-kernel-dev-752d86805b18e58c56c6f3c7004c2dffd4430c17.zip
op-kernel-dev-752d86805b18e58c56c6f3c7004c2dffd4430c17.tar.gz
iscsi-target: Fix SNACK Type 1 + BegRun=0 handling
This patch fixes Status SNACK handling of BegRun=0 to allow for all unacknowledged respones to be resent, instead of always assuming that BegRun would be an explicit value less than the current ExpStatSN. Reported-by: santosh kulkarni <santosh.kulkarni@calsoftinc.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/iscsi/iscsi_target_erl1.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index e048d64..cda4d80 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -507,7 +507,9 @@ int iscsit_handle_status_snack(
u32 last_statsn;
int found_cmd;
- if (conn->exp_statsn > begrun) {
+ if (!begrun) {
+ begrun = conn->exp_statsn;
+ } else if (conn->exp_statsn > begrun) {
pr_err("Got Status SNACK Begrun: 0x%08x, RunLength:"
" 0x%08x but already got ExpStatSN: 0x%08x on CID:"
" %hu.\n", begrun, runlength, conn->exp_statsn,
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