Commit 8ffd18a6 authored by Denis Arefev's avatar Denis Arefev Committed by Miquel Raynal
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mtd: lpddr_cmds: Add literal suffix 



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 performing arithmetic

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: default avatarDenis Arefev <arefev@swemel.ru>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20230824130215.10396-1-arefev@swemel.ru
parent 0bb80ecc

drivers/mtd/lpddr/lpddr_cmds.c

+1 −1
Original line number Diff line number Diff line
@@ -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 = 1ULL << lpddr->qinfo->DevSizeShift;

	mtd->erasesize = 1 << lpddr->qinfo->UniformBlockSizeShift;

	mtd->writesize = 1 << lpddr->qinfo->BufSizeShift;