diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2019-10-23 23:21:50 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-06 15:06:18 +0300 |
| commit | 6608702bec7083f619bdf1d16d99db82da35ab1f (patch) | |
| tree | 6fb22bafc091b99c9e0db8e36df7722f526839aa /drivers/target/iscsi | |
| parent | 45e7acdff38e9075ff0072b0900f639cad7ae9fc (diff) | |
| download | linux-6608702bec7083f619bdf1d16d99db82da35ab1f.tar.xz | |
scsi: target: cxgbit: Fix cxgbit_fw4_ack()
commit fc5b220b2dcf8b512d9bd46fd17f82257e49bf89 upstream.
Use the pointer 'p' after having tested that pointer instead of before.
Fixes: 5cadafb236df ("target/cxgbit: Fix endianness annotations")
Cc: Varun Prakash <varun@chelsio.com>
Cc: Nicholas Bellinger <nab@linux-iscsi.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191023202150.22173-1-bvanassche@acm.org
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/target/iscsi')
| -rw-r--r-- | drivers/target/iscsi/cxgbit/cxgbit_cm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c b/drivers/target/iscsi/cxgbit/cxgbit_cm.c index b19c960d5490..d46eee369864 100644 --- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c +++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c @@ -1832,7 +1832,7 @@ static void cxgbit_fw4_ack(struct cxgbit_sock *csk, struct sk_buff *skb) while (credits) { struct sk_buff *p = cxgbit_sock_peek_wr(csk); - const u32 csum = (__force u32)p->csum; + u32 csum; if (unlikely(!p)) { pr_err("csk 0x%p,%u, cr %u,%u+%u, empty.\n", @@ -1841,6 +1841,7 @@ static void cxgbit_fw4_ack(struct cxgbit_sock *csk, struct sk_buff *skb) break; } + csum = (__force u32)p->csum; if (unlikely(credits < csum)) { pr_warn("csk 0x%p,%u, cr %u,%u+%u, < %u.\n", csk, csk->tid, |