From: Miquel Raynal Date: Wed, 5 May 2021 21:37:30 +0000 (+0200) Subject: mtd: rawnand: arasan: Check the proposed data interface is supported X-Git-Tag: v5.10.137~84 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=72fae7e7f7f5336bac83698eab71edb061c292f0;p=thirdparty%2Fkernel%2Fstable.git mtd: rawnand: arasan: Check the proposed data interface is supported [ Upstream commit 4dd7ef970bee8a93e1817ec028a7e26aef046d0d ] Check the data interface is supported in ->setup_interface() before acknowledging the timings. Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20210505213750.257417-3-miquel.raynal@bootlin.com Signed-off-by: Sasha Levin --- diff --git a/drivers/mtd/nand/raw/arasan-nand-controller.c b/drivers/mtd/nand/raw/arasan-nand-controller.c index cea57de5e6cd3..f9fb3b7a3ec39 100644 --- a/drivers/mtd/nand/raw/arasan-nand-controller.c +++ b/drivers/mtd/nand/raw/arasan-nand-controller.c @@ -884,6 +884,11 @@ static int anfc_setup_interface(struct nand_chip *chip, int target, struct anand *anand = to_anand(chip); struct arasan_nfc *nfc = to_anfc(chip->controller); struct device_node *np = nfc->dev->of_node; + const struct nand_sdr_timings *sdr; + + sdr = nand_get_sdr_timings(conf); + if (IS_ERR(sdr)) + return PTR_ERR(sdr); if (target < 0) return 0;