[PATCH] mtd: lpddr: Added literal suffix

Denis Arefev
2022-11-17T12:36:51Z

The value of an arithmetic expression
1 << lpddr->qinfo->DevSizeShift is subject to overflow
due to a failure to cast operands to a larger data
type before perfoming arithmetic

Signed-off-by: Denis Arefev <arefev@swemel.ru>
---
drivers/mtd/lpddr/lpddr_cmds.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/lpddr/lpddr_cmds.c b/drivers/mtd/lpddr/lpddr_cmds.c
index ee063baed136..360b2af8340b 100644
--- a/drivers/mtd/lpddr/lpddr_cmds.c
+++ b/drivers/mtd/lpddr/lpddr_cmds.c
@@ -61,7 +61,7 @@ struct mtd_info *lpddr_cmdset(struct map_info *map)
mtd->_point = lpddr_point;
mtd->_unpoint = lpddr_unpoint;
}
- mtd->size = 1 << lpddr->qinfo->DevSizeShift;
+ mtd->size = 1UL << lpddr->qinfo->DevSizeShift;
mtd->erasesize = 1 << lpddr->qinfo->UniformBlockSizeShift;
mtd->writesize = 1 << lpddr->qinfo->BufSizeShift;

--
2.25.1

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