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[U-Boot,v2,2/3] mtd: pxa3xx_nand: Correct offset calculation

Message ID 1452787286-22483-2-git-send-email-kevin.smith@elecsyscorp.com
State Accepted
Commit 84caff35df0a399051171e4a05c6cbcadd919b64
Delegated to: Scott Wood
Headers show

Commit Message

Kevin Smith Jan. 14, 2016, 4:01 p.m. UTC 
Correct some pointer math in initialization.  An offset was added
to a struct-typed pointer instead of one casted to a byte-size,
resulting in a much larger offset than intended.

Signed-off-by: Kevin Smith <kevin.smith@elecsyscorp.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Scott Wood <scottwood@freescale.com>
---
 drivers/mtd/nand/pxa3xx_nand.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 9202459..a83f6c2 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1486,8 +1486,8 @@  static int alloc_nand_resource(struct pxa3xx_nand_info *info)
 	info->variant = pxa3xx_nand_get_variant();
 	for (cs = 0; cs < pdata->num_cs; cs++) {
 		mtd = &nand_info[cs];
-		chip = (struct nand_chip *)info +
-			sizeof(struct pxa3xx_nand_host);
+		chip = (struct nand_chip *)
+			((u8 *)&info[1] + sizeof(*host) * cs);
 		host = (struct pxa3xx_nand_host *)chip;
 		info->host[cs] = host;
 		host->mtd = mtd;