A null dereference or Oops exception will eventually occur when qla1280.c driver is compiled with DEBUG_QLA1280 enabled and ql_debug_level >= 3. I think its clear from the code that the intention is sg_dma_len(s) not length of sg_next(s) when printing the debug info here. Signed-off-by: Magnus Lindholm <linmag7@xxxxxxxxx> --- drivers/scsi/qla1280.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 8958547ac111..fed07b146070 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -2867,7 +2867,7 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n", cpu_to_le32(upper_32_bits(dma_handle)), cpu_to_le32(lower_32_bits(dma_handle)), - cpu_to_le32(sg_dma_len(sg_next(s)))); + cpu_to_le32(sg_dma_len(s))); remseg--; } dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather " -- 2.47.0