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authorBart Van Assche <bvanassche@acm.org>2019-08-08 20:01:50 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2019-08-12 21:34:07 -0400
commitf91ff36a5731ca41f9009a00bf9f9b8e6c623dae (patch)
tree066885a7401ecf685ad6aececa16482734852bfa /drivers/scsi/qla2xxx/qla_nx2.c
parent3a392b4f384a08919c93e5f751e9fffa1ad723e3 (diff)
scsi: qla2xxx: Suppress a Coveritiy complaint about integer overflow
This patch fixes the following Coverity complaint: Unintentional integer overflow (OVERFLOW_BEFORE_WIDEN) overflow_before_widen: Potentially overflowing expression dma_eng_num * 65536U with type unsigned int (32 bits, unsigned) is evaluated using 32-bit arithmetic, and then used in a context that expects an expression of type uint64_t (64 bits, unsigned). Cc: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Tested-by: Himanshu Madhani <hmadhani@marvell.com> Reviewed-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_nx2.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_nx2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nx2.c b/drivers/scsi/qla2xxx/qla_nx2.c
index 369ac04d0454..c056f466f1f4 100644
--- a/drivers/scsi/qla2xxx/qla_nx2.c
+++ b/drivers/scsi/qla2xxx/qla_nx2.c
@@ -2810,7 +2810,7 @@ error:
#define ISP8044_PEX_DMA_ENGINE_INDEX 8
#define ISP8044_PEX_DMA_BASE_ADDRESS 0x77320000
-#define ISP8044_PEX_DMA_NUM_OFFSET 0x10000
+#define ISP8044_PEX_DMA_NUM_OFFSET 0x10000UL
#define ISP8044_PEX_DMA_CMD_ADDR_LOW 0x0
#define ISP8044_PEX_DMA_CMD_ADDR_HIGH 0x04
#define ISP8044_PEX_DMA_CMD_STS_AND_CNTRL 0x08