Return value of a function 'alloc_wr' is dereferenced at cxgb4i.c:624 without checking for null, but it is usually checked for this function Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Denis Arefev <arefev@xxxxxxxxx> --- drivers/scsi/cxgbi/cxgb4i/cxgb4i.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 2c3491528d42..b93bd36dcb2d 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -620,6 +620,8 @@ static inline int send_tx_flowc_wr(struct cxgbi_sock *csk) #endif flowclen16 = tx_flowc_wr_credits(&nparams, &flowclen); skb = alloc_wr(flowclen, 0, GFP_ATOMIC); + if (!skb) + return -ENOMEM; flowc = (struct fw_flowc_wr *)skb->head; flowc->op_to_nparams = htonl(FW_WR_OP_V(FW_FLOWC_WR) | FW_FLOWC_WR_NPARAMS_V(nparams)); -- 2.25.1